ralph and alphonse are shooting marbles. ralph has 5 more marbles than alphonse, and they have a total of 73 marbles. how many marbles does each of them have?

A baseball dropped from the roof of a tall building takes 3.1 seconds to hit the ground. how tall is the building?

A protective cover for a wireless tablet has a height of 8 inches and base of 7 inches. What is the area of the cover?

Solve the following equation for A. Be sure to take into account whether a letter is capitalized or not. 73 - 4 = A4m

The difference of two supplementary angles is 8 degrees. Find the measures of the angles.

The gym has eleven different types of machines in the weight room. Geoff has time to use only three of them this afternoon. How many different combinations of machines can Geoff choose from to use?

How many 2/3 are in 1?

True or false? Younger riders are three as likely as older riders to prefer wood frame coasters

The volume of a cube is 27 cubic inches. What is the length of one edge of the cube?

Solve the equation x^3+2x^2-5x-6=0

Suppose y varies directly with x and y = 14 when x = - 4 what is the value of y when x = - 6