Answer: 9 over 12 is = 15 over x
Step-by-step explanation:
Solve out
x^2 + 64 = 0
x^2 = -64 ( we are going to use imaginary numbers to solve)
x =

x = 8i, -8i final answers
The absolute value of 4/13 is 4/13 because when you put something in absolute value it becomes positive and sense this is already positive it stays. hope this helps :))))