1. ## Science

Describe the flow of blood to the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the various locations in the body.

2. ## statistics

A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of

3. ## calculus (gr 12)

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c)

4. ## civics

why did thomas jefferson think that it was necessary to build a wall of separation?

5. ## math

here is a riddle: As i was going to Halifax, I met a man with 7 sacks, Every sack had seven cats, Every cats had 7 kits, Man,kits,cats , and sacks were going to Halifax? how many kittens were there? show your work by using powers.

6. ## math

a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks

7. ## gerund sentence making

Make sentences using the gerund phrases in what it say in the parentheses 1. attending day care (predicate nominative) 2. spending too much money (object of prep) 3. living as a hermit (direct object)

8. ## MATH HELP ME NOW PLEASE!!

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1 HELP PLEASE!!!!!!

9. ## MATH I NEED HELP PLEASE!

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

10. ## statistics

Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability

11. ## math

If marching bands vary from 21 to 49 players, which number of players can be arranged in the greatest number of rectangles?

12. ## calculus

Evaluate each of the following. Show all your calculations. f'(3) if f(x)  = x^4 − 3x

13. ## statistics

I don't know how to begin this question and it is due tonight. I'm not looking for someone to give me the answer. I just need help with the formula that I use and how do I go about answering this? Is the formula: P = P(total subject) / P(OJ drinker over

14. ## math i need help please

determine sums of following geometric sequences... A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

15. ## health project

i am supposed to write about philosophy of health and it due tomorrow. can anyone give me ideas how i should start....plz... i know what to wrote in there but i just don't know how to start..... thanks!

16. ## MATHS URGENT

By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

17. ## statistics

Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability

18. ## Science

Why has it taken astronomers so long to discover the planet QUAOAR? Space is huge. The object is dim. Under high magnification, even a small amount of space takes a very long time to scan. Plus the object is moving so it's in a different place. That's one

19. ## MATHS URGENT

By making the substitution u =ln x show that the following equation has exactly one real-number solution: 9/ln x + ln x^4 =-12

Evaluate each of the following. Show all your calculations.  f" (0) if f(x) = 14x^2 + 3x − 6

Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6

22. ## Polar equations

write 3x-6y=-14 in polar form. round phi to the nearest degree

23. ## math

Express each number as a power. a) 36 b)49 c)81 d)100

1. ## Math

THANKS ALOT DELIILIAH!!!!! XD

posted on December 4, 2015
2. ## Math

THANKS ALOT DELIILIAH!!!!! XD

posted on December 4, 2015
3. ## math

thank you

posted on September 15, 2009
4. ## math

is it 7^3?

posted on September 15, 2009
5. ## math

what do you mean by square?

posted on September 15, 2009
6. ## math

thank you so much! :)

posted on September 15, 2009