C. 16.9
Step-by-step explanation: To find the perimeter you have to add all the sides of the figure.
4a. is 3 miles every hour
4b. is 1/3 of an hour per mile
step-by-step explanation:
25 questions , because they start with 100.
350-100=250 .
. 250/10=25
first take off 100, then what x 10 = 250? that is your answer. (25)