20 is 30% of what number? If necessary, round to the nearest tenth.

A scale drawling uses the scale 4cm:9ft. The length of the billboard is 11cm. how long is the actual billboard

In a fraction times fraction problem, do you multiply the denominator?

F (x) = 4x + 1 for x = 3

A shirt originally cost $53.64, but it is on sale for $42.91. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest percent. A. 16% B. 20% C. 25% D. 80%

The sides in a rectangle are in the ratio 3:2. What is the length of each side if the perimeter of the if the rectangle is 55cm

The amount of interest earned on a $500 deposit into an account for 3 years with a 6% interest rate

2. If you used the 23 cm basketball as your Moon sphere, how big would an Earth sphere be, and how far would it be from the basketball?

Simplify using the distributive property 6 (y-8)

A 25 foot tall flagpole casts a 42 feet shadow. what is the angle in which the sun hits the flagpole? (this would be the upper acute angle in the right triangle shown). round your answer to the nearest whole number.

A rock is tossed upward. Its height after t seconds is given by S = - 16t2 + 24t + 3 feet. What is its maximum height? When does it reach that height?