B since you can rewrite it as (2x+7)(x-4)=0 and you can solve it and you get B
A = lw
A = (6)(1/12)
A = 1/2
(180 miles=7.5 hours, 20 miles=2.5/3=0.8333) 7.5+0.8333=8.3333 or 8h and 20 minutes.
Answer:
40cm
Step-by-step explanation:
1. 10000cm^3/25cm= 400cm^2
2. 400cm^2/10 cm= 40cm