Answer:
Step-by-step explanation:
y = 2x - 1
y = x - 8 ------ (i)
substitute y = 2x - 1 in equation (i)
2x - 1 = x - 8
2x = x - 8 + 1
2x = x - 7
2x - x = -7
x = -7
Substitute x value in equation (i)
y = -7 - 8
y = -15
The last one
Answer: 149.3
9 hours
455/7 gives you the mph
which is 65
then divide 585 miles by the mph (65)
585/65
= 9 hours
Your answer is
