Answer:
Jose: 1
Jamal: -1
Step-by-step explanation:
Divide the standard deviations by that age group by their ages
Row 1
Row 2
Row 3
Row 4
Row 5
<u>Note</u>. <em>The equation should be y = 3/4xz, not y = 3/4xy</em>
Answer:68
(2,16)
y=-x+18
y=8x
8x=-x+18
8x+x=9x
-x+x=0
9x=18
9x/9=x
18/9=2
x=2
y=8(2)
y=16