Reiny or Steve could you check my Math?
posted by Gabby .
1. (9m+6)+(5m6)
my answer: 4m
2. (3r^2+7r+1)+(4r^28r2)
my answer: 7r^2r1
3. (6h1)(9h+4)
my answer: 3h3
4. (m^2m4)+(m5)
my answer: m^29
5. (4x+4)+(3x+2+1)
my answer: 7x+7
Now this was book work for me so it doesn't have multiple choice, so are my answers correct?

#3: 3h5
The others look ok 
YAY! I only go 1 wrong I'm getting better at this!! xD

THX Steve for your help~!

what question did you get wrong
Respond to this Question
Similar Questions

8th Grade AlgebraRadicals:Answer Check
Change each decimal to a fraction in lowest terms. 1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over both numbers) Answer: 14/99 Write each expression in simplest form. ( means that it is inside a square … 
8th Grade AlgebraRadicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2  2(8 Answer: 1(2 ? 
8th Grade Algebra: Answer Check
Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 … 
8th Grade Algebra: Answer Check #2
Add or Subtract (Radicals) { this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5  3{5 Answer: 4{5 4. 8{2  5{2 Answer: 3{2 5. 6{x + 7{x Answer: 13{x 6. 9{y + 3{y Answer: 12{y Multiply 7. 3x^2(4x^23x5) Answer: … 
Math 8R: Homework Check  Part 2
Part 2: Simplify by combining like terms and using the distributive property 11. 3x + 5x Answer: 8x 12. 3x + 5y  2x + 8, Answer: 1x + 5y + 8 13. 9 + 5m + 6b  2m  4, Answer: 3m + 5 + 6b 14. 3ab + 6c  ab + 10  2c, Answer: 2ab + … 
PreCalculus
Could someone check my answers? 25. 32^(2x3)=2 Answer x= 8/5 26. 9^(2x+1)=81 Answer x= 1/2 27. 1/4=2^3x Answer x= 2/3 28. 1/27=3^2x Answer x= 3/2 29. 9^x=27 Answer x= 3/2 30. 32^x=4 Answer x= 2/5 31. 27^(x+1)=9 Answer x= 
Math
Round each decimal number to the nearest hundredth. 1. 8.456 answer 8.460 2. 3.262 answer 3.260 3. 8.902 answer 8.900 4. 6.551 answer 6.550 5. 7.843 answer 7.840 6. 9.479 answer 9.480 7. 12.007 answer 12.010 8. 10.502 answer 10.500 … 
Reiny and steve do this for me please
1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)<g(x). c) Solve the equation 1/(x)+4=2(x) to check your answer … 
Algebra 1 (Reiny)
1Simplify the quotient (6.4 x 10^9) / (1.6 x 10^3). Write the answer in scientific notation. My answer: 4 x 10^6? 
Calculus Damon, Steve, Reiny
I forgot to mention that I am trying to find sigma squared.. given that the mean is r and p(x)= (1/r)(e^(x/r)) on the interval [0,infinity), where r>0.. note: sigma squared= integral sign (inf, inf) (xM)^2 p(x) dx i got (r^2 …