When three pipes fill a pool, they can finish in 12 hours. Two of the pipes can finish in 18 hours if they are working together. How long would it take a third pipe to fill the pool on its own?

F (x) = x2 - 10x + 21. Where is the function increasing?

If the public debt of the United States in 2004 was $7,379,052,696,330.32 and the budget deficit in 2005 was $553,656,965,393.18, what was the public debt in 2005?

If x = y, then 6 + 4 (x-y) =

What is the formula used to convert a temperature in degrees celsius (tc) to the same temperature in kelvins (tk) ? express tk in terms of tc.

Write the equation in standard form 4x-3=5y

Solve for q. -15 - 18q = - 20q + 15 q =

Represent the proportional relationship described with an equation where d equals dogs and c equals cats: three dogs for each cat

Ou can draw a quadrilateral with two sets of parallel lines and no right angles. a. True b. False

There are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom. The three candidates that receive the highest number of votes become candidates for a runoff election. How many 3-candidate combinations are possible?

If n=1 and m=3 then n^2=2 and m=6 what is wrong with this question