Answer:
a- this data shows us how many miles they drive per hour
for example: if they drive for 1hour then they would have driven 12 miles in distance
b- motor bike...?
Answer:
Step-by-step explanation:
-9x + y = 16
12x + y = -5
12x + y = -5
9x - y = -16
21x = -21
x = -1
9 + y = 16
y = 7
(-1,7)
Answer:
c
Step-by-step explanation:
12.50*6=75
45.25*3=135.75
135.75+75=210.75