Answer:
I think your answers are right.
Step-by-step explanation:
hope this helps, have a good day :)
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:
this was 3 minutes ago... you still need the answer?
Step-by-step explanation:
52 ft
The missing side is 5ft because 11-6 is the remaining side length.
11+5+6+8+7+15=52
I think I can! I recently covered algebra in 6th grade, (if that's what grade ur in) and I'm pretty good at 6th grade algebra