7 is 8.16
8 is 1516
9 is 19.625
10 is 18.84
and bonus is zero
The speed of car is 45.3 miles per hour.
Further explanation:
Speed is the rate at which an object changes position with respect to time.
Given

The formula for calculating speed is:

The speed of car is 45.3 miles per hour.
Keywords: Speed, distance
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Answer:
5
Step-by-step explanation:
mean = sum of all values÷number of observation
= 3+7+5+6+4 ÷ 5
= 5
Answer: C.
Step-by-step explanation: