X^9 is the answer to this problem.
Answer:

Step-by-step explanation:
Remember that

Let
x ----> the total cost of the books
we know that
The total cost of the book multiplied by 0.65 must be equal to $438.75
so
The linear equation that represent this situation is

solve for x

Answer:
y=2x + 5 I think it should be
Answer:
LCD = 48 so its D. 16
Step-by-step explanation: CAN U MARK ME BRAINLESS