Question

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

Answer 1

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