B^2-9, y^2+16, 3m^2-4, 25a^2-16

64.0085 nearest hundredth

Simplify the following expression. - 4z/35 - 8z/25

The height, in feet, of a t-shirt launched from a t-shirt cannon high in the stands at a football stadium is given by h (x) = -16x^2+64x+80, where x is the time in seconds after the t-shirt is launched.

Cherries cost $2 /lb. Grapes cost $0.50 /lb. You can spend no more than $2 on fruit, and you need at least 2 lb in all. Create a graph showing the amount of each fruit you can buy.

What is the pattern of 4, 8, 12, and so on 8, 5, 2 and so on

A box contains 15 balls numbered 1 through 15. Two balls are drawn in succession without replacement. If the second ball has the number 4 on it, what is the probability that the first ball had a smaller number on it? An even number on it?

What is 1/3m-1-1/2n when m=21 and n=12

0.82 times what = 0.0082?

Let a be an irrational number. Is - 24+a rational or irrational?

What is the length of the radius of a circle whose area is 100 pie (3.14) ?