Question

Help Ive tried 6 times.

Answer 1

10-B because comunitive shows that two numbers can be multiplyed in either order
7-A because 3(x+1)+2 you used distributive property so you take 3*x and 3*1 to equal 3x+3+2 then you add 3+2 to equal 5 so 3x+5
12-A because the distance stays the same while the cost depends on the distance

Answer 2

7) 3(x + 1) + 2
3x + 3 + 2
3x + 5

Answer: A

10) Commutative property of multiplication is that you can order the addends in any order and you get the same product.

Answer: B

12) a is the answer.