56
360-248=112
inscribed angle so 112/2=56
12/84 = 1/7 ≈ 0.14
The discount rate was 14%
Answer:
Step-by-step explanation:
the anwser to number 7 is d or (x2-4) (x2+4)
by the way try using the app called Photo Math i use it for my test it works greatyou should try it some day.
Your equation

is in the form

The vertex only relies on "a" and "b" though, so that +9 doesn't really matter in this case. The vertex of a parabola is located where

So your x-coordinate is -1. You need to find f(-1) to find your y-coordinate, and then you list it in the form (-1, y).