What was the mean score on the quiz? A 10-item statistics quiz was given to 30 students. The
table below gives the scores received along with the
corresponding frequencies.
O 7.5
O 8.5
Score
Frequency
5
1
6
2
7
5
8
5
9
7
10
10
O 9
O 10

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

might be the correct answer will be question number 2