Is y=3x non-proportional if so or if not how do you know

Kendall is planning to buy a laptop for $1,200 each months she double the amount she saved the previous month if she saves $20 the first month in how many months will Kendall have enough money to buy the laptop?

As jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. convert this speed to miles per minute. at this speed, how many miles will jupiter travel in 5 minutes? do not round your answers.

First step in solving this problem 1/6 (4x-1) = -8x

If the selling price is $18 and the markup is 33% what is the dollar markup

If f (x) = 3x-4 and f (a) = -10, then a=? f) - 2 g) - 1 h) 0 j) 1 k) 2

Rashida was paid $720 for 30 hours of work. How much would she be paid for 40 hours of work? $750 $760 $960 $2880

24x5 - 8x4 + 12x - 4x2 4x2

Evaluate and simplify tan 15º.

5y - 3z + 4y - 1z - 3y; y = 3 and z = - 2

An architect represents a 9 inch height as inch on a scale drawing. Which of the following scales did the architect use? 1 foot = inch 1 foot = inch 1 foot = inch 1 foot = inch