Question

1. What is the simplified form of the expression?

7m2 + 6.5n – 4n + 2.5m2 – n (1 point)9.5m2 + 1.5n
4.5m2 + 1.5n
1.5m2 – 4.2n
9.5m2 – 1.5n

2. Simplify the expression 3(21m + 27).


(1 point)63m + 81
63m + 27
24m + 30
21m + 81

3. What is the product? 7 • (–3)
(1 point)21
–21
4
–10

4. Which property is illustrated by the statement?

(1 point)Associative Property of Addition
Commutative Property of Multiplication
Inverse Property of Multiplication
Commutative Property of Addition

5. Which property is illustrated by the statement?

8 + 3.4 = 3.4 +