Answer: Speed in miles per hour is 45 mph.
Step-by-step explanation:
Since we have given that
Distance covered = 15 miles
Time taken to cover the above mentioned distance = 20 minutes
We need to calculate the speed in miles per hour ,
As we know the formula for " Speed " i.e.

Now, we will put the value of distance and time in the above formula:

Hence, Speed in miles per hour is 45 mph.
Step-by-step explanation:
11 - ( - 3 5/8) will equivalent to
11 + 3⅝ = 14⅝
Answer: I think it is the second choice. The others don't make sense
Step-by-step explanation:
56. Angles will not change if you stretch out the lines making them.
Answer:
Step-by-step explanation: