Answer:
$5.00
Step-by-step explanation:
Since the eyeliner went up and doubled in price, you simply multiply 2.50 by 2, and you get $5.00
x=11
10 less than three times a number is 23
3x-10=23
3x=33
15 - c = 6
15 - 6 = c
9 = c
c = 9
.2
when the slope is 7.2 you subtract
