Tim has $30 he buys pens that cost $2.50 each until he has only 10 left if x represents the number of Penn's purchase by Tim this situation can be represented by the equation 30-2.50x=10 how many pens did Tim buy?

Least common mutiple of 2,6and8?

a triangular prism has a height of 3.7 meters and a base with an area of 42.1 square meters. What is the volume of the prism?

Which inequality is a true statement? -3/4 ≤ 3/4 1.4 ≤ - 2.1 -3 < - 4 -5.2 ≥ - 4.8

A cube has a surface area of 726 square yards how do I find the volume of the cube

If W=Days work and T=days of travel Sketch the equation 90w=150t+700 on a graph. Hello, I am having trouble graphing this. Can someone explain how to do this?

A scientist estimated that a mixture would need 5 millimeters of a chemical to balance. The actual amount d was 7 millimeters. What was the percent error of the scientists estimation?

Start at 7 and subtract 3each time

Suppose you know the area of a circle and the measure of the central angle of a sector. Describe the process of finding the area of the sector.

Cups are sold 8 a package and plates are sold 12 to a package. If you want to have the same number of each item for the party, how many of each do you need to buy? what is the least number of packages of each you need to buy?

What is the formula for the sum of an infinite geometric series