Answer:
Add 64
Step-by-step explanation:
x^2 - 16x
<em><u>If you add 64, you get x^2 - 16x + 64 which factors as (x - 8)^2</u></em>
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Answer: Add 64
The chemist needs 381.6 milliliters for their experiment.
Answer:
14 coins
Step-by-step explanation:
280 * 0.05 = 14
