1)

5 times [3 + (16 - 4)] times 3

9

19

21

25

~~~~~~~~~~~

2)

[5 times (15 - 9] times 3

10

22

72

90

~~~~~~~~~~~~

3)

what is the value of 45 + 20 times 5 - 4 times 7?

11

35

49

245
~~~~~~~~~~~~~

4)

Which word is used to name each of the blod numbers and variables?

7c = 42

factor

product

sum

difference

~~~~~~~~~~~~~~~~

5)

Simplify the expression.

3 times 7 times 2 integer 3

168

84

42

21