Which is the equation of a parabola with a directrix at y = −3 and a focus at (5, 3)?

y = one twelfth(x − 5)2
y = −one twelfth(x − 5)2
y = one twelfth(x + 5)2
y = −one twelfth(x + 5)2

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Describe the domain and range of y=2(3)^x-2+5