Tuesday

September 1, 2015
Number of results: 17,146

**Calculus--Steve plz?**

Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2)) ...A special thank you to Steve who has already been a tremendous help! Thank you so much =)
*July 29, 2013 by Elyse*

**Calculus-PLZ HELP STEVE!**

Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4-s^2)
*July 28, 2013 by Elyse *

**math**

Stacy and Steve each have brownies of equal size,as shown. Stacy cuts her brownie into halves.Steve cuts his brownie into eighths. Which statement is true? A.Stacy has more pieces than Steve. B.Stacy has 4 pieces. C.Steve has smaller pieces than Stacy. D.Steve has fewer pieces...
*March 29, 2015 by Anonymous*

**Calculus (help Steve plz)**

1) if w = <-8, 15>, find ||w||? 2) which expression is equivalent to (sin x+1) (sin x -1)? A. Cos^2x B. -cos^2x C. Cos^2x+1 D. Cos^2x-1 E. -cos^2x-1
*November 28, 2012 by Breanna*

**physics**

damon,reiny,steve,ms sue.plz get a solution 2 my question please itz urgent!!!
*August 8, 2015 by edward*

**Math~Polynomials**

1)6g+8k-9g+2k(1point) 3g+10k -3g+10k*** 17gk 10k-3 2)-4x+6x^2+5x(1point) 7x^3*** 6x^2+9x 6x^2-9x 6x^2+x 3)a^2+5a-3a^2(1point) 5a+2a^2 -2a^2+5a*** -3a^2+6a 5a-3a^2 4)3x^2+8x+7x(1point) 3x^2+15x*** 18x^3 3x^2+1 3x^2-x 5)Find the degree of -5w-4w^2+7w+16(1point) -5 16 14*** 3 Plz...
*May 13, 2013 by Gabby*

**Ela- Ms.Sue Plz!**

COuld someone help me with my homework? I need to write a thesis statement for a research paper on steve job
*March 7, 2012 by erika*

**Math**

Steve mcspoke left home on his bike traveling at 18km/hr. Steve's brother set out 2 hours later , following the same route, TRAVELING 54 per hour. How long did brother have to travel to catch up with Steve?
*September 22, 2013 by Kelly*

**arithmetic**

Barry and Steve are good friends. Barry wants to buy a new computer, but he doesn't have the money for it right now. Barry says he will pay Steve $2000.00 in five years if Steve gives him $1600.00 for the computer today. Steve figures that there is an interest rate of 6% if he...
*June 9, 2008 by RACHELLE*

**math-calculus**

30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i not sure what to do? i use the quadratic formula? math-calculus - Steve, Saturday, January 7, 2012 at 3:38pm First, you have to simplify properly: 30/(x^2-25) = 3/(x-5) - 2/(x+5) 30 = 3(x+5) - 2(x-5) You were ok ...
*January 7, 2012 by Shreya*

**LIVING ENVIRONMENT**

the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...
*February 12, 2013 by tania sharmin*

**math**

Steve McSpoke left home on his bicycle at 8am, traveling at 18km/h. At 10am, Steve's brother set out after him on a motorcycle, following the same route. The motorcycle traveled at 54km/h. How long had steve traveled when his brother overtook him?
*January 2, 2013 by Kate*

**math**

if john has 56789 pens and steve has 23 times that amount how many does steve have?
*February 19, 2010 by chanquilla*

**Geometry- Steve**

Hey Steve, in the proportion 9/x=15/25 would you cross multiply 9 and 25 and x and 15???
*January 25, 2013 by Corie*

**I NEED HELP!!:(!!!! HELP ME PLZ!!**

I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!
*October 20, 2009 by i really need help!!*

**math algebra**

thanks to reiny and steve, I repeat again that steve answer is incorrect, and I did not type it incorrectly . I mailed the ? as in the book . thanks
*November 13, 2014 by mohammad*

**math,trigonometry**

solve each triangle described below using Δ ABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88° I dont know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help) this topic is Oblique triangle
*January 5, 2015 by Anonymous*

**Math ....urgent help**

i just dont get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......
*January 7, 2009 by vero*

**biology**

a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...
*February 8, 2013 by tania sharmin*

**MATH URGENT**

a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in (a) similar to solving the inequality in (b)? d. How are the solutions different? I dont know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help)
*January 18, 2013 by Gabby*

**Math**

Please help solve and explain it, thank you. 1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy? 2.
*September 25, 2012 by Jaz*

**algebra**

50. Steve borrows $4,800 from his parents to purchase a used car. No interest is charged on the loan and Steve will pay his parents $150 per month until the loan is paid off. (a)Write a function that describes the relationship between the amount Steve owes his parents and the ...
*January 2, 2014 by Mike *

**calculus (please help steve)**

Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.
*July 25, 2013 by andy*

**calculus (please help steve)**

Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.
*July 26, 2013 by andy*

**Math**

Steve can run 3.5 miles in 30 minutes. If Steve increases his rate by 1/2 mile per hour, how far will he run in 2 hours?
*January 27, 2014 by Heather *

**Math help Steve?**

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 Hi Steve, I got what you said, but how would I solve this equation then?
*April 29, 2015 by Alan*

**Algebra/Steve**

Find three ordered pairs that satisfy the equation (x,y)= (0, (x,y)= (1,1) (x,Y)= (2,3) not sure about the zero Thank you, If steve answer this question this will be the last one for 4 month, I have brain surgery on Monday. Thank you for all you help
*June 21, 2014 by Mary Ann *

**Math**

It took Steve and his construction crew 8 months to build a house. Alfter expenses, he was left with $24,872.67 himself. on average, how much did Steve make per month? Round to the nearest dollar.
*September 7, 2011 by Micaela*

**Calculus 12**

Simple query. plz tell me in brief. How will u slove this -3 log 3 + log 2 + 2 log 4 Plz explain
*January 21, 2012 by Akash*

**math steve**

steve can you explain step by step please 8x=5y and 3y=14z then 12x= how many z's
*December 9, 2012 by dan*

**math**

The ratio of Steve's age to Tims age is 6:7. If Steve is 84, how old is Tim?
*April 9, 2014 by tyra*

**math**

The ratio of steve's age to tims age is 6:7. If steve is 84, how old is tim
*May 20, 2014 by Mango*

**math**

Juan, Steve, and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy.
*September 9, 2013 by Kristen*

**Calculus.......plz help! =)**

Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes, and points of inflection for y = -x(x+1)^3
*October 20, 2012 by Amy*

**3rd grade**

My daughter has a math problems that reads. Steve's birthday is between May 9 and May 23. The date of his birthday is not anodd number. The sum of the digits is 9. When is Steve's birthday?
*August 26, 2009 by Shonda*

**STEVE or REINY-plz help!**

Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1) Thank you in advance for your help! =)
*July 8, 2013 by Elyse*

**Accounting**

On January 1, 2006 two individuals invested 510000 each to form Steve Corporation. Steve had total revenues of 240000 during 2006 and 250000 during 2007. Total expenses for the same periods were 120000 and 150000. Cash dividends paid out to stockholders totaled 22000 in 2006 ...
*September 25, 2008 by Maddie*

**Alg. - Steve please help**

Steve I already asked you the question about the absolute value of 3x-2=8 and absolute vale x+1=1....value of x...and your answer was does 0 or -2 satisfy both ....they dont...so is it no solution?
*February 1, 2013 by Deborah*

**Algebra**

Kevin ran 4 miles more than Steve ran. The sum of their distances is 26 miles. How far did Steve run? The domain of the solution is {0, 4, 11, 22}.
*August 21, 2014 by Jd*

**algebra**

1. Kevin ran 3 miles less than Steve ran. The sum of their distances is 21 miles. How far did Steve run? The domain of the solution is {0, 10.5, 12, 18}.
*August 30, 2014 by Mariah*

**math**

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
*May 30, 2012 by parul*

**math**

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
*May 30, 2012 by PLZ HELP ME NOW...*

**Algebra **

Steve is a member of the basketball team. He averages 2 hit for every 5 times at bat. Steve might get a hit his next time at bat. Which of these methods could not best used to stimulate this situation?
*January 10, 2011 by Anonymous*

**Repost Math for Steve Dowling**

Math - steve dowling, Thursday, September 13, 2007 at 8:44pm what is -5/18 (8/15)= Can you show the work Thanks
*September 13, 2007 by Ms. Sue*

**math (steve for your help)**

0.224g sample the contained only bacl2 and kbr required 19.7ml of 0.1M agn03 to reach the end point. Calculate the percent of each compound present in the sample. Steve want you step by step for me.
*December 27, 2013 by Fai*

**pscychology**

Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??
*March 11, 2009 by Logan:)*

**To Steve **

This image htt p : //4.bp.blogspot . C o m /-DhYuH_eLg5A/T2RqPwctfDI/AAAAAAAAATY/Dv8fjTNczFA/s640/rosette_lula_1700 . jpg Novel + 2013 ?? Puzzle question - Steve, Wednesday, December 4, 2013 at 6:24pm nine What's the meaning of nine ?
*December 4, 2013 by Emily *

**SCIENCE!!--ANONYMOUS PLEASE ANSWER MY QUESTION!**

plz answer the question we were talking about plz plz. Go back to the problem. I got 184 but the worksheet answer says 136 which is correct?? plz help!! thx
*September 13, 2010 by Happy Face*

**physics!! plz answer me!**

A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it take this force to stop the ball? How far does the ball travel before stopping? plz plz plz help!!
*December 10, 2007 by julia*

**Math**

It took Steve and his construction crew 8 months to build a house. Alfter expenses, he was left with $24,872.67 himself. on average, how much did Steve make per month? Round to the nearest dollar. I know the answer is $3,109.08 but what can do I do with the roun to the nearest...
*September 7, 2011 by Micaela*

**maths**

plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u
*July 29, 2015 by anthony*

**GEOMETRY MIDPOINT FORMULA steve how did this hapn**

If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much GEOMETRY MIDPOINT FORMULA - Steve, Thursday, January 30, 2014 at 11:58am B-A = (-4,-3) C-A = 4(B-A) = (-16,-12) C = A+(C-A) = (-14,-9)
*January 31, 2014 by Joy*

**pre algebra **

steve and ramon earned a total of 104 $ mowing lawns.if ramon earned 3 times as much as steve, how much did each boy earn ?
*January 4, 2011 by kattie*

**Math**

Steve is building a slide for a new park. He wants the height of the slide to be 6 feet, and he wants the horizontal distance along the ground to measure 14 feet. After building the slide, Steve decides the slide needs a vertical safety support and wants to use a 3-foot piece ...
*March 30, 2012 by Jae*

**chem**

stilll didnt get it .. .. can u plz explain in detail ... how did u get the answer.. plz plz plz plz plzp l zp thnks Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies ...
*November 12, 2008 by DR BOOBB Plz HELP*

**Math**

Hi Steve, Sorry I did not explain my self better than I did. See this is the second time taking this Statistic course,and I have no idea how to do anythings. The question is: Hi Steve, It is a graph where there is a line on point is on -3 and the other point is on +5 It says ...
*July 2, 2015 by Mary Ann *

**URGENT~MATH For Steve or Reiny**

For questions 5-7, find the solution to the system of equations by using either graphing or substitution. 5)y=6-x and y=x-2 (1point) (2,4) (-4,2) (4,2) no solutions 6)y=2x-1 and y=x+3 (1point) (4,7) (7,4) (-7,-4) no solutions 7) y=4x and y+x=5 (1point) (-4,1) (1,4) (-3,2) (2,3...
*May 7, 2013 by Gabby*

**arithmetic**

Steve's mom's age is 7 years less than 3 times Steve's age. The sum of their ages is 65 years. Find their ages.
*September 30, 2009 by Anonymous*

**algebra**

Steve's mon's age is 7 years less than 3 times Steve's age. The sum of their ages is 65 years. Find their ages.
*December 2, 2010 by shelby*

**algebra**

together, steve and tom sold 130 raffle tickets for their school. steve sold 14 more than three times as many tickets as tom. how many tickets did each boy sell
*February 3, 2012 by ashley*

**Ms.Sue (ONLY)**

can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"
*March 7, 2012 by sammie doodles :-)*

**grade 10 history**

I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
*January 20, 2013 by Macy*

**Plz,plz help!**

Can you help me write: real-world scenario in which you would write an inequality rather than an equation? Plz, I really need help! :D
*January 21, 2014 by Princess Anna*

**Algebra**

Steve is making crafts to sell at a benefit. It takes him 3/4 of an hour to make a trivet and 1/2 hour to make a wooden spoon, He has 3 hours to work. Write an equation to show the relationship between how many trivets and how many spoons Steve can make in 3 hours.
*January 17, 2008 by Keishia*

**Algebra: Steve **

I already asked this question,I just wanted to clarify the answer. Problem: The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f? Steve: clearly, f(0) = 0 so, f(x) = ax^3+bx^2+cx = x(ax^2+bx+c) -1(a-b+c) = 15...
*November 15, 2014 by Trish Goal*

**calculus...plz ans urgent**

Find the dimensions of the right circular cylinder of greatest volume which can be inscribe in a right circular cone with radius of 5 inches and a hieght of 12 inches(hint:use similar triangle property).also draw a label diagram....plz answer its too urgent
*November 7, 2010 by daan*

**heredity and reproduction**

For a certain trait, Steve has the alleles Gg, and Bree has the alleles gg. Steve and Bree has six children, and all of the children have the alleles gg. Explain how this could happen.
*April 10, 2013 by Ayla*

**calculus**

plz help me with this,when f(x)=1/(x^2+2), find lim[f(x)-f(a)]/x-a x ---->a
*February 8, 2012 by Bash*

**Math**

Steve can kayak at 8 km/h in still water. On the river, Steve and the kayak travel slower upstream due to the current. It takes him 1.5 h for a trip downstream, but 3.25 h for the same distance upstream. Determine the speed of the river’s current.
*June 19, 2013 by Maggie*

**English**

to Steve go City College. Steve goes to city college.is that right?
*February 9, 2010 by raj*

**Math**

tom is eight years older than steve. three years ago, steve was two years more than one third as old as tom was then. how old is tom now? answer pls
*January 4, 2015 by dexter taneo*

**Calculus**

Let f(x)=x^2-8x+16 and g(x) x^2-16. For what values of x is f(x)/g(x) increasing? Explain plz~
*February 28, 2012 by Jake*

**Calculus...plz help!!**

find dy/dx of xsiny-ycosx=1
*October 7, 2012 by Liz*

**BUSS/STATS**

Steve cutter sells big blade lawn mowers in his hardware store, and he is interested in comparing the reliability of the mowers he sells with the reliability of Big blade mowers sold nationwide. Steve knows that only 15 percent of all Big Blade mowers sold nationwide require ...
*December 27, 2011 by TIM*

**Finance**

Steve and Ed are cousins who were both born on the same day, and both both turned 25 today. Their grandfather began putting $2,500 per year into a trust fund for Steve on his 20th birthday, and he just made a 6th payment into the fund. The grandfather (or his estate's trustee...
*October 20, 2011 by Alice*

**Math**

Pedro and Steve are running laps. Pedro runs a lap in 6 minutes and Steve runs a lap in 8 minutes. If they start at the same time, how many minutes will it be before they meet again at the starting point?
*April 1, 2008 by Anonymous*

**calculus**

integrate ((x^3/6)+(1/(2x)))*squareroot of 1+(x^4/4)+(1/4x^2)-1/2..plz help me...tnx in advance!
*May 7, 2007 by Maria-PLZ HELP*

**calculus**

derivative of (3x+2)^6- 8(7x^2+9)^4 all cube rooted! plz help!
*March 3, 2013 by Anonymous*

**Calculus-PLZ HELP! =)**

does the sum 3/(2^(n)-1) converge or diverge? n=1--->infinity
*March 26, 2013 by Sara*

**math**

A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon? d)When will the balloon...
*January 23, 2009 by gagan*

**Algebra **

I already posted this question,Steve answered it. I just wanted to clarify my answer. Problem:Find h(x) with terms in order of decreasing degree, if 9x^3-3x+1+h(x)=3x^2-5x+3. Steve: h(x) = (3x^2-5x+3)-(9x^3-3x+1) so, just subtract tghe coefficients of like powers. My answer:&#...
*November 13, 2014 by Trish Goal*

**Calculus**

can someone please prove the difference rule to me? d/dx[f(x)-g(x)]=d/dx f(x)- d/dx g(x) plz help
*February 4, 2007 by Laura*

**calculus-integration**

integrate -2/xln^4(x)...plz help me..give me an idea on how to start..plz The derivative of the ln(x) function is 1/x and this is multiplying the ln^4(x). You can thus write the integral as: -2 * 1/5 ln^5(x) + constant. is that the answer? wut about the x infront of ln^(x)......
*May 7, 2007 by Maria*

**Physics plz **

Do any teacher here have an email plz becouse I want to send some pictures for question ,,, physics plz or how can I attach picture here ????
*June 12, 2013 by Maryam*

**math**

On a vacation in cananda steve used his credit card to buy a camera for Can $250.00 trinirose: What is the value of the camera in Ja $. a)I know the asnwer is $18,125 Ja dollars b)steve has a credit limit of Ja $30,000.00.After buying the camera,how many Canadian dollars does ...
*May 23, 2008 by kelly*

**Calculus - HELP plz!**

Find all of the first partial derivatives of f(x,y,z)=arctan y/xz
*June 2, 2013 by Sara*

**Calculus-HELP PLZ !!!!**

Find the complete general solution to the second order DE: 4y'' - 9y = 0
*July 18, 2013 by Elyse*

**Calculus-HELP PLZ !!!!**

Find the complete general solution to the 2nd ODE: 9y'' + 9y' - 4y = 0
*July 22, 2013 by Elyse*

**Math 222**

222 - Steve, Wednesday, October 22, 2014 at 12:02am I assume you want to factor the expressions? a^4b + a^2b^3 = a^2b(a^2+b^2) z^2 + 18z + 45 = (z+3)(z+15) •Math 222 - Monica, Wednesday, October 22, 2014 at 12:10am Thank you Steve and can you please explain how you got both ...
*October 22, 2014 by Monica*

**pre-calculus**

Steve, The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C). f(x)=x/x^2-100 Sharon
*June 20, 2015 by Sharon*

**Calculus Help STEVE**

find y'' by implicit differentiation. 2x^3 + 3y^3 = 8 I got the first derivative as you but the problem was asking for second derivative by implicit diff. this is where i got confused. Thank you!!!
*March 20, 2014 by Matt*

**calculus**

finding limit using epsilon and delta of lim x->2 x^3-3x+7=9..plz anyone solve it for me....
*April 23, 2011 by Yashna Islam*

**math**

Three students, Chris, Vlad, and Steve, are registered for the same class and attend independently of each other. If Chris is in class 80% of the time, Vlad is in class 85% of the time, and Steve is in class 90% of the time, what is the probability that at least two of them ...
*April 21, 2013 by Lindsay *

**calculus PLZ HELP!!**

find the equation for the line tangent to the curve at the given point. (x^2)(y^2)-2xy+x=1 at (2, 1/2)
*October 7, 2012 by Liz*

**CALCULUS-plz help!**

For the curve r = 2 sin 3(theta): Find the arc length of one petal
*April 16, 2013 by Sara*

**CALCULUS-plz help!**

For the curve r = 2 sin 3(theta): Find the arc length of one petal
*April 16, 2013 by Sara*

**@Steve RE: Relative Extrema: AP Calculus **

Thanks so much for all your help! That was way simpler than I thought, I think I was just overthinking it. Do you think you could also help me find the concave up at x = −2, x = −1, and x = 2 and show f(x) is concave down at x = 0? (this is still for the function f...
*January 23, 2015 by Pax*

**Calculus**

Integrate sqrt(x^2 + x) dx I have completed the squares and got x^2-x = (x+1/2)^2 -1/4 Now i dont know how to proceed, plz help me!
*October 5, 2014 by Jamie*

**Education Psychology**

Steve ponders a math problem that asks for the number of handshakes if six people at a meeting shake hands just once with each other. The problem then asks for the number of handshakes if there are n people. Steve arrives at the correct answers after a couple of minutes ...
*January 27, 2011 by Rhonda*

**bio check plz plz plz**

in human (2n=46) mitosis result 2 cell with 23 chromoses and meosis result in (n=23) 4 cell with 46 chromoses... is this statment true ? please help me ....
*November 28, 2011 by hiba*