Answer:
The answer is both.
Step-by-step explanation:
It is both because 8^{2} is 64 and 4^{3} is 64.
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Using the quadratic formula, we have:

, so our solutions are

and

.
Answer:
-2x² + 15
Step-by-step explanation:
Step 1: Add like terms
4x² - 6x² = -2x²
-10x + 10x = 0
3 + 12 = 15
Step 2: Rewrite
-2x² + 15
Answer:(0,10)
Step-by-step explanation: Im pretty sure because of subtracting 1 from the -1 in your x value and adding 2 to the 8 in you Y value
If there are 16 ounces in a pound, and 8 ounces costs $8, The best answer would be D. $16 per pound