Yes she can find the average colour by adding up all the amount of colors by how many colors there are.
Okay, so we’ll use sin in this case. You could use cos too, I just like sin. Sooo
sin(?) = 39/89
? = sin^-1(39/89) <— make sure you calculator is in degrees mode, not radians when doing this calculation!
? = 25.989° ≈ 26°
You know 11% as decimal is 0.11 so you multiply 0.11 and $121.65 which is 13.38 so c is the correct answer rounded to the nearest hundredth
X equals to 3 because if you multiply 3 times 8 which equals to 24.
