Wyatt bought a pair of shoes for $72. the next week he noticed that the price for the same pair of shoes was now $87. find the percent of change.

21%

Step-by-step explanation:

87-72=15

15 divided by 72 = 0.2083

0.2083 as a percent = 20.83%

if you want to round to the nearest whole percent, it would be 21%

mark me as brainliest if my answer was helpful :)

then, the surface area of the sphere shown in the image is: 256π sq. units!

step-by-step explanation:

the lateral surface area of a sphere is 2πrh where h=2r.

then:

surface area = 4πr^2.

in this case, r=8 units ⇒ surface area = 4π(8 units)^2. = 256π sq. units!

then, the surface area of the sphere shown in the image is: 256π sq. units!

the solution is 12x-6y