Answer:
3.5 hours
Step-by-step explanation:
8.75/2.5=3.5
1/2^4
?
0
x2 +4x-21=0. solve for x
X=2
2(12x-8) + 1/3 x 9 =35
24x -16 + 3 = 35
24x = 48
X = 2