Find the distance between the two numbers on a number line. (Hint: distance is always positive.) -9.2, 4.5

13.7

Step-by-step explanation:

Let us imagine that 0 on the numberline. -9.2 is to the left, and 4.5 is to the right of zero.

Since distance as positive, we can simply add the absolute values of -9.2 and 4.5 to obtain the distance:

|-9.2|+|4.5|=

9.2+4.5=

13.7

I hope this helps! :)

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15