Answer:
#1
Step-by-step explanation:
The associative property of addition states that we can "flip" two expressions that are being added. Therefore, our answer is the first one because it can be rewritten as 3x + (-7y) which then is equivalent to -7y + 3x.
10%
(1650 - 1500) /1500 = 10%
remember, 7 days each week, so this is a multiplication problem.
32*7=224 days
Done!
by increasing the size ez
451
