21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. b Find the constant of variation.

Complete the ordered pair so that it is a solution of x + y - 1 = 0.

5x - 2y = 15 2x + 4y = 12 According to the strategy you learned in this lesson, what is the best first step in solving the system of equations above using substitution? Solve for x in the first equation. Solve for y in the first equation.

Alaska is the biggest state in the United States of America, write this as a biconditional statement

The ABC Toy Company is creating two similar pieces for a board game, as shown below. Find the value of y that makes the two pieces similar. Triangle GHI is shown with sides GH marked as 4, GI marked as 6, and HI marked as x.

1. ΔEFG, the measure of ∠G=90°, the measure of ∠E=40°, and EF = 75 feet. Find the length of GE to the nearest tenth of a foot

A faucet in a bathtub pours out 2 1/4 gallons of water every minute. How many gallons of water will pour out in 3 1/2 minutes? Express your answer in simplest terms.

Order these number's from least to greatest. 0.4, 5/8, 38%

Write the equation of the quadratic function in Standard Form y = - (x+1) ^2+3

Miguel spent $6 on fast food. Then he spent $3 on ice cream. After buying some comic books, he had $9 left, which was one third of what he originally had. How much money did Miguel have originally? Use the backward strategy.

Explain one way to determine if a quadrilateral has congruent angles