Question

PLEASE HELP DUE IN 3 HOUR

Answer 1

Which number sentence shows the commutative property of addition?

7 + 6 = 6 + 7

What is missing for the following quantity to be true? 5x + 7y + 9a = __ + 5x + 9a

7y

Which number sentence shows the associative property of addition? Choose all that apply.

(3 + 9) + 5 = 3 + (9 + 5)

12 + (3 + 9) = (12 + 3) + 9

Use the distributive property to decide which of the following is equivalent to 2(3 + 5x)? Select all that apply.

2(3) + 2(5x)

6 + 10x