Imagine that these are test scores on a Statistics examinations (test): 95
80
80
60
60
50
75
80
75
75
65
90
65
70
60
90
(Source: Statistics for Modern Business Decisions, Lawrence L. Lapkin,
page 52)
4.) What is the frequency( how often the score appears) of each score ?

50- 250 is correct i did that one too

step-by-step explanation:

the answer is ! ?

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