Answer:
b. No x-intercept y-intercept is (0, -8)
448
Step-by-step explanation:
320/5 is 64 miles per hour
64*7 is 448
she will travel 448 miles in 7 hours
18/12 = x/8
12x = 8 * 18
x = 8 * 1.5
x = 12
Answer: C. 12