a. 3^4 which is equal to (3^-3)(3^7)
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80-3x=56, Subtract 80 from each side:
-3x = 56-80
-3x=-24
x will equal 8, hope this helps! Have a BLESSED day! :-)
Answer:
442
Step-by-step explanation:
624-183= 442 he needs to drive 442 miles more