so, start floor = x
x + 7 - 9 - 4 + 8 - 2 = 14
x = 14
the elevator started on the 14th floor.
to verify: 14 + 7 = 21 - 9 = 12 - 4 = 8 + 8 = 16 - 2 = 14
Answer:
D) x^2+2
Step-by-step explanation:
(2x^2+2x+3)-(x^2+2x+1)
2x^2-x^2+2x-2x+3-1
x^2+3-1
x^2+2
Answer:
4/6
Step-by-step explanation:
4 options, 6 total numbers
4 over 6
Hope this helps!
<em>have a blessed day :)</em>
48 turns a second, and 2,880 turns a minute.
Answer:
$22.50
Step-by-step explanation:
Find 25% of 30 and then take away that amount from 30.
