The length of a rectangle is three centimeters more than twice the width. The perimeter is 78 centimeters. Define a variable and write and solve an equation to find out how long and wide the rectangle is?

Express 0.00078456 in scientific notation

What is the length of leg sof the triangle below? 90°

Which number (s) from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, if any, will solve this equation? 2x + 3 = 5x - 3

How to solve step by step 453 divided 8

Factor x2 - 6x - 7. a. (x - 7) (x 1) b. (x 7) (x - 1) c. (x 4) (x 7) d. (x - 7) (x - 1)

2.2 A Train is Traveling at ... A train is traveling at a constant speed and goes 7.5 kilo "1 dl a constant speed and goes 7.5 kilometers in 6 minutes. At that rate: 1. How far does the train go in 1 minute?

Which of the following represents the most accurate estimation of 664 - 127?

What is the rule if the input numbers are 1,2,3,4,5 and the output numbers are 2,5,10,17,26

What's the difference between 4.5 and - 3.5

Joe went to the store and bought six packs of pens for $1.79 each, five erasers for $.89 each and a pack of paper for $3.29. He had a coupon for 25% off and then had to pay 6% tax. What was the final cost of his purchase?