56.5 49.6 42.5 48.9 49.1 57 5 Assuming height is normally distributed, use these results to calculate a 90% confidence interval for population height​

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2