I don't knowhhhhh hhhhhhhhh hhhhhhhh
Answer:
Is there a pic or sumthing..?
Step-by-step explanation:
Speed (v) could be determined using this following formula
v = distance ÷ time
plug in the numbers
v =

v =

v = 9/3
v = 3
The speed is 3 miles per hour
Answer:
x = 5
Step-by-step explanation:
Given
f(x) = 4x - 2 and f(x) = 18 , equating both gives
4x - 2 = 18 ( add 2 to both sides )
4x = 20 ( divide both sides by 4 )
x = 5
Step-by-step explanation:
for 1 book=480
for 4 books= 480×4
=1920