Answer:
x=-3
Step-by-step explanation:
2x (x + 4) -12x
2×-3(-3+4)-12×-3
-6(1)+36
30
14 + 14 + 17 + 19 + 25 = 89
89/5=17.8
Answer:
The elevator stops on the 19th floor.
Step-by-step explanation:
On the 16th floor, goes up 12 floors:
16 + 12 = 28
On the 28th floor, goes down 7 floors:
28 - 7 = 21
On the 21st floor, does up 3 floors:
21 + 3 = 24
On the 24th floor, goes down 5 floors:
24 - 5 = 19
5400 x 10% = 540
5400 + 540 = 5940
It would expand by $540
@I don't know if I did this
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