Answer: $20
Sandy had 138 dollars to spend on 6 books. After buying them she had 18 dollars. How much did each book cost? 20 dollars.
Yes. It's a quadratic function.
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1- square root is not a whole number
Answer: x = -3
Step-by-step explanation:
2x + 7x = 9x
9x + 3 -24
- 3
9x = -27
divide by 9
-3 = x
Answer:
the answer is d
Step-by-step explanation:
the vertical line test can be done by putting your pencil vertically and if the line touches it more than once than it is not a function