Melanie spent $40 in 4 hours while shopping at the mall. How much money has changed hands? A) $10 B) $40 C) -$10 D) -$40
1 answer:
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Answer:
Solution given:
For 1st
x²=71
For x=±
and
For 2nd
x³=71
For x=±
So answer is:
In first row
<u>Solution to x²=71</u>
In second row
<u>Solution to </u><u>x³</u><u>=71</u>
In third row
<u>neither</u>
In forth row
<u>Solution to x³=71</u>