The number sentence would be 8+9=17 because commutative property is when you just switch around the numbers but get the same answer.
Answer: the right answer is the last one
Step-by-step explanation: x= minutes and minutes there is 8 so the answer in the last one sixth.
Answer:
42
Step-by-step explanation:
B.
9 = 3 x 3
21 = 3 x 7
GCF = 3
3 x 3 + 3 x 7 = 9 + 21 = 30
1/2 is the answer because 3 can divide into 6 evenly
