Numerical expressions

• 3 x 3 x 3 x 3 x 3

• 5 x 5 x 5

• 15

• 5 x 5 x 5 x 5 x 5

• 125

Evaluate 9 + 8 x 3 - (5 x 2).

• 25
• 30
• 18
• 23

12 - 4 x 2 = 

• 16
• 4
• 8
• 18

What expression represents the total cost of buying 2 peaches, 5 mangoes, and 3 watermelons?

• (2 x 1.79) + (5 x 0.75) + (3 x 3)

• (2.75) + (6.79) + (6)

• (2 x 0.75) + (5 x 1.79) + (3 x 3)

• (2 + 5 + 3) + (1.79 + 0.75 + 3)

What is the cost of buying 2 peaches, 5 mangoes, and 3 watermelons?

• 5.51

• 11.02

• 19.45

• 15.54

• 143
• 165
• 128
• 156

• 436
• 432
• 450
• 31

Alice takes an art class after school once a week. At each class, she buys a bottle of water for $1.00 and a bag of pretzels for $0.75. Which of the following expressions represent the amount o money, in dollars, Alice spends after attending 6 art classes?

• 6(1.00)(0.75)

• 6(1.00+0.75)

• 6(1.00) + 6(0.75)

• 6 + 1.00 x 0.75

• (6 + 1.00) + (6+ 0.75)

In the expression 8p + 6q + 5 + 9q + 12p, what are the coefficients?

• p and q

• 5

• 8, 6, 9, 12

• like terms

What expression represents fifteen dollars more than the original cost as an algebraic expression where c represents the original cost.

• 15c

• c¹⁵

• 15 + c

• 15 - c