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abruzzese [7]
3 years ago
5

Evaluate each expression if a = -2, b=3, and c = 4.2.

Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

Answer:

  1. 2.6
  2. 77

Step-by-step explanation:

1) a-2b+3c

  • (-2)-2(3) +3(4.2)
  • -4-6+12.6
  • -10+12.6
  • 2.6

2) 2a+(6+3)²

  • 2(-2)+(9)²
  • -4+81
  • 77
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