Use substitution to solve the following system of equations. What is the value of y? 6x+2y=4
3x-5y=44

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Explain how you can use the associative property to evaluate (7x50)x4.

Add the fractions and simplify 1/2+ 1/3