Answer:
Step-by-step explanation:
x^2 - 17x - 60
(x - 20)(x + 3)
x^2 + 3x - 20x - 60
x^2 - 17x - 60
(x + 20) is not one of the factors
using F.O.I.L., it would have been
x^2 + 17x - 60
Answer: 5.5 hours
Step-by-step explanation:
distance/speed = time
330/60 = 5.5
4/10, 6/15, 8/40 are all equivalent to 2/5
