Answer: m∠ M′N′O′ = 90 degrees
Step-by-step explanation: Hope that helps ! I am not sure if I am right but I think I am !
Answer: 
Step-by-step explanation:
The average speed of the car is 40 miles per hour:

The car drives for 45 minutes:

Since 1 hours has 60 minutes, we can convert the time from minutes to hours:

Knowing these values, we can use the following formula for calculate the distace "d":

Therefore, substituting values into the formula, we get:

Answer:
Step-by-step explanation:i havent done something like this in a long time
85 is a composite number because 17×5=85