The answer is: B sorry if I’m wrong
Step-by-step explanation:
to fine the average add all the numbers and divide the 5
18+12+11+10+12/5 =53.4
5*6/10 - 2*7/10 =
3 - 1,4 = 1,6
The company A equation is y=21x. The company B equation is y=18x+45
The companies will have the same price after 15 shirts are sold. To show work for this, make x in both equations 15 and you should get 315 as the answer for both. 315 is the amount of money spent on shirts.
6 x^{2} + 11x +3
Hope it helps!!