First set everything to 0.

Giving you A= 1 , B= 1 and C= -5
Then input everything into the quadratic formula and either solve by hand or use a calculator.
Note exact values are found by hand, decimals are found using a calculator.
Answer:
3/4
Step-by-step explanation:
Because the total homework would be 25/25

15/20 can be reduced to 3/4
I think the answer is c -6.5<6.55
Answer:
idk
Step-by-step explanation:
Answer:
8. B.
9. B.
10. B.
11. No answer choices.
Step-by-step explanation:
Yes, they are all actually B. Hope this helps!