According to the scores on the last math test, 80%, or 20, of the students in the class received an A. Find the number of students in the entire class.

25

Step-by-step explanation:

80% = 0.8

0.8 / 4 = 0.2 (the remaining)

20 / 4 = 5

20 + 5 = 25

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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