Answer:

Step-by-step explanation:

18+8x=-2y
18+8x/-2=-2y/-2
-8-4x=y
The commutative property can be used because 70 • 6000 is the same as 6000 • 70.
Mark can calculate the product mentally by taking off all the zeros to get 7 • 6 which is 42. After, he can add the zeros back on. The answer is 420,000.
Answer:
D
Step-by-step explanation:
"Turn around phrase" just means that you are subtracting the last number minus the first number. Subtracting the negative number is written as -(-34.7)
Balls are good that’s the answer