Solve the system using the substitution method

y=-2x
7x-8y=-23

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

What function has a range {yly< 5}? question on picture above^