Answer:
3 hours
Step-by-step explanation:
1/12 = 1/4 of an hour
1 hour = 4/12
2 hours = 8/12
3 hours = 12/12
7/8=2/5x
If you solve this you get 2.1875 or 35/16
Answer:
-2(x^2+2)
Step-by-step explanation:
1. x^2-3x^2-4
= -2x^2-4
2. -2(x^2+2) factor completely :)
Answer:
A : ±2
Step-by-step explanation:
Add 14 and you have ...
... x² = 4
Take the square root and you have ...
... x = ±√4 = ±2