D because the shaded region has one side and subtract by pie and substitute to get this answer.
Sorry if I am wrong I am not 100% sure but I think it’s 3
Answer:20 gallons
Step-by-step explanation:
Ok so the average is 50
average of x number of things is
(add value of all things)/x=average
4 test scores needed
so divide by 4
3 test scores ar known
average is 50
x= missing score
(43+48+42+x)/4=50
times 4 both sides
133+x=200
minus 133 both sides
x=67
a score of 67 is needed
