Which equation represents a proportional relationship? y=2(x+13)

y=12x

y=−3x+2

y = 3x
please help I don't understand ugh

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

What is solution for the following system of equations, 2x+8y=4 and x=-3y+5 1) x=14 y=-3 2) x=2 y=-3 3) x=-3 y=-3 4)x=12 y=5

An entertainment firm offer serveral dj choices and light shows that range in price based on the rental time period. the djs cost between $219 and $369 per night and the light shows cost between $159 and $309 per night. if you are booking both a dj and a light show write a compound inequality that represents the possible total amount you would pay x