Which of the following expressions is equivalent to the one shown below (-3)^2*(-3)^9 A. (-3)^11 B. (-3)^7 C. (-3)^10 D. (-3)^18
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Let
x -----> Hermione was earning before the pay raise
we know that
so
The linear equation that represent this problem is
Solve for x
Divide by 1.05 both sides