The original price is $4.50 because when you multiply it by 50% you get $2.25
Answer:
Step-by-step explanation:
Feet per minute is a unit of Speed or Velocity in both US Customary Units as well as the Imperial System. It measures the number of feet traveled in a minute. The symbol for feet per minute is ft/m.
The formula of a slope:

We have the points (2, 5) and (4, 10). Substitute:

This means that 2.5mm of rain falls every hour
Answer:
=7.2×10⁵
is in scientific notation
Answer:
-9y-2(2-7y)+4 expand the brackets using-2
Step-by-step explanation:
-9y-4+14y+4
arrange the like terms
-9y+14y-4+4
=5y becoz -4+4=0
ans=5y