When we have exponents like such (x^-6)^-2 , the numbers are multiplying, so we have x^12, then we take that value and, because it is dividing with the same base, we substract the numbers, so x^12-(-4) = x^16.
Y= mx+b
7= 2(5)+b
7= 10+b
-3= b
The answer is:
y= 2x-3
