The product of nine and a number decreased by seven

How to find the height of a cylinder when given the surface area?

What is the formula for combinations

X+5y=15 4x+5y=0 solve for x and y

The scatter plot below shows one class of Spanish students' time spent studying for their final versus the grade that they earned on the final. If a student studies for 75 minutes, what is the best estimate for his or her grade? A. 100 B. 90 C. 45 D.

A sweater is on sale for 40 percent off its origanal price of 29.95 what is the amount of savings

Write as an inproper fraction 5 3/4

A car travels at a speed of 85 miles per hour. How far will it travel in 15 mins?

2. A rectangular plot of land is 0.4 kilometer long and 0.07 kilometer wide. What is its area in square kilometers? Show your reasoning

In a right triangle, the measure of one acute is double the measure of the other acute angle. If the length of the short leg of the triangle is 3cm, find the length of the hypotenuse.

How much money would you have in 15 days if you get a penny doubled each day?