8.9% is equal to 0.089 because a percent is over a 100. So, you can just multiply the ROI by the investment to get:

Your answer is:
$712.
Translating a graph upwards just means adding or subtracting a value from the initial function.
So to push a graph up, you just add (+) the number of units onto the original function.
X intercept is 4/3 because you plug zeros in for y to find the y intercept
Answer:
x=11(12y-15)
Step-by-step explanation:
4x(3y-2)=7x+11
12xy-8x=7x+11
12xy-8x-7x=11
12xy-15x=11
x(12y-15)=11
x(12y-15)/(12y-15)=11/(12y-15)
x=11/(12y-15)