Answer:

Step-by-step explanation:


Add:- 
and 
So, 
Add 7 to both sides:-

Divide both sides by 11:-


<u>OAmalOHopeO</u>
That’s not the full question but if it was it would be greater bc 10 - 10=0 but 10-10+15 would equal 15 instead of 10
The parabola opens down, since the 'a' value of the equation is a negative value.
Answer:
Step-by-step explanation:
<u>Victoria collects:</u>
<u>Javier collects:</u>
<u>They get same amount:</u>
- 8x + 56 = 12x + 16
- 12x - 8x = 56 - 16
- 4x = 40
- x = 10