If (2, -7) and (8, 15) are the endpoints of a diameter of a circle, what is the equation of the circle?
A)
(x + 5)2 + (y – 4)2 = 60
(x - 5)2 – (y – 4)2 = 80
9
(x - 5)2 – (y + 4)2 = 110
D)
(x - 5)2 + (y – 4)2 = 130

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)