Answer:
Option (b) is correct.
The profit from sales if the price of the T-shirts were $15 a pieces is $28.
Step-by-step explanation:
Given : The function
is used to determine the profit on T-shirts sold for x dollars.
We have to find the profit from sales if the price of the T-shirts were $15 a pieces.
Consider the given profit function 
For the profit, if the price of a t-shirt is $ 15
Put x = 15, we have,

Simplify, we have,

Also, 
Thus, we get, The profit from sales if the price of the T-shirts were $15 a pieces is $28.
12k-2+6k
find like terms and put them next to each other
12k+6k-2
combine like terms
18k-2
C
Ariel wants to write 8 entries for her blog. After 2 hours,she has 5 entries left. After 4 hours, she has 2 entries left. Which graph represents ariels remaining entries?
After 2 hours, she has 5 entries left. After 4 hours, she has 2 entries left.
Carlie's Cell Phone Store owes a total of $144,627 in taxes.
1.) $1,287,684 - $598,982 = $688,702
Due to Tax Cuts and Jobs Act of 2017, corporate tax rate is fixed at 21%. Hence:
2.) $688,702 * .21 = $144,627.42 or $144,627
Mc012-2.jpg ........................ 10/90%= 11.1111111111111