Answer:
The last one of commutative property of addition since there is no swapping of numbers related with addition.
Answer:
72 is the answer
21-4 IS 17, AND 17 - 9 IS 8, THEN 9X8 IS 72.
Answer:
if the question says this then it's true: "A rate in which the second quantity in the comparison is one unit."
Step-by-step explanation:
Or it could be true if it said it had a 1 in the denominator