5a^2 - 6a -4 - (<span>-7a^2 + 3a -9)
=</span>5a^2 - 6a -4 + 7a^2 - 3a + 9
=12a^2 - 9a + 5
answer
12a^2 - 9a + 5
Answer:
-11
Step-by-step explanation:
Simplify
Answer:
62
Step-by-step explanation:
4*7 = 28
(14 - 1 - 4) * (7 - 4) = 27
1 * 7 = 7
7 + 28 + 27 = 62
Answer:
2 Miles per hour
Step-by-step explanation:
velocity (speed) formula is distance/time.
In this case, 6/3=2
