What is the equation of the quadratic graph with a focus of (8, −8) and a directrix of y = −6?

f(x) = −one fourth (x − 7)2 + 1

f(x) = −one fourth (x − 8)2

f(x) = −one fourth (x − 8)2 − 7

f(x) = one fourth (x − 7)2

i think its the third one but im not sure

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds