Answer:
21.72
Step-by-step explanation:
0.07 x 20.30
7.8335 is a number between 7.833 and 8.834
(x² + 16)(x² - 16)
= (x²)² - 16²
= x⁴ - 256
Answer:
A negative number would be reasonable in the solution of the rate of the investment. It would be reasonable because Johnny started out with $41,745 in his account and ended up with $39,974 which means that the rate has to be negative.
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