Which is the best buy? 6 shirts for $25.50 4 shirts for $18.00 5 shirts for $21

5 shirts for $21.

Step-by-step explanation:

3rd choice

Step-by-step explanation:

5 shirts for $21

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

for the points

step-by-step explanation: