Answer:
See attached photo.
Step-by-step explanation:
y=-5x^2+10
16
(10-6)^2
4^2=16
351 minus 316 I think
okay so you will do 351 minus 316 and ur answer is 35 so her profit is 35 dollars also known as 35$ I hope this helped!!
5 hours, y= how much money it will cost, and x represents how many hours
y= 15x+45
120= 15x+45
-45 -45
75= 15x
75/15×= 5 hours
