Prove the identity (a+b) (a-b) = a^2-b^2 For each step list the property or definition that justifies the step.

Connecticut has about thesame population as iowa but its area is 4875 square miles

If the side lengths of a triangle is 40,40,80 what is the the degree of the triangle

Is - 1/2 greater than - 1/6

What is 72 km an hour into metres a second

A gallon is equal to 8 pints. How many pints are in 5 gallons?

The time it takes to drive to Joliet is 6 hours more than half the time it takes to drive to Davenport. It takes 8 hours to drive to Joliet. How many hours does it take to drive to Davenport?

there are between 24 and 40 students in a class the ratio of boys to girls is 4:7 how many students are ther in a class

Write an equation that shows an estimate of each answer, 495 + 812

A boy purchased a party-length sandwich 53 in. long. He wants to cut it into three pieces so that the middle piece is 6 in. longer than the shortest piece and the shortest piece is 8 in. shorter than the longest piece.

How do you get the right answer?