Topic 3 assessment Part 3

3r + 2e; r = 3  e = 2

• 15
• 13
• 54
• 12

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

3³ ÷ 9

• 0

• 1

• 2

• 3

7² - (9 x 5)

• 5

• 25

• 31

• 4

 $2^4+\left(7-3\right)^2+6\cdot8$  

• 80

• 135

• 64

• 26

What is the least common multiple (LCM) of 2 and 3?

• 6
• 8
• 20
• 10

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

GCF of 4 and 6

• 2
• 3
• 4
• 6

GCF of 12 and 18

• 3
• 4
• 6
• 2

GCF of 32 and 40

• 2
• 4
• 6
• 8