I hope this helps you
-15+6= -9
-9+6= -3
-3+6=3
add 6
$69 ÷ 6 = 11.5 per DVD
11.5 × 4 = 46
D is correct I believe since the values has an outlier it automatically gets rid of using mean. The dots are somewhat symmetrical. And for something to be skewed the dots are to be “connected”
0.19880716 should be your answer
Sorry if wrong
Set y=ax+b pass (7,-9) (5,6)
=》-9=7a+b
6=5a+b
=》2a=-15
a=-15/2
b=6-5a=6+37.5=43.5
=》y= -15/2(x)+43.5
2y+15x=87
