Here’s a picture of my work. The answer is seven. Hope this helps :-)
I recommend that you download photomath, it is an app that takes a photo of the equation and answers it most of the time.
Answer:
Hope that help the answer is 300
Step-by-step explanation he drives for 3 hours at a rate of 80 km per hour, multiply:
Now we need to find how far he goes in 45 minutes. There are 60 minutes in an hour, so write and simplify:
45 is three quarters of an hour, so multiply that by 80 km per hour:
Add the distances together:
At a rate of 80 km per hours, in 3 hours and 45 minutes, Tim drives 300 km.
Finito.
R
Answer:
y(3y - 4)
Step-by-step explanation:

Both have y.
Factor y out of 

Answer:
Step-by-step explanation:
