Review of Hw 1 & 2

• -20

• 0.8

• 4.6

• 7

• 11.7

• 8

• 1.7

• 5

• 28

• 47

• 71

• 93

• -16

• -4

• 1

• 16

(20ab) ÷ (a-b)² if a = 4 and b = -2

• 40/3

• 40

• -40/9

• -13

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9
• 38
• -38
• -9

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

In the expression below, the w is known as the _________________________

3w

• coefficient

• variable

• constant term

3(2x+1)+2(x-4)

• 8x-3
• 8x+11
• 4x-5
• 8x-5