If the endpoints of the diameter of a circle are (8, −6) and (4, −2), what is the standard form equation of the circle?

A) (x + 6)2 + (y − 4)2 = 2
2
B) (x − 6)2 + (y + 4)2 = 2
2
C) (x + 6)2 + (y − 4)2 = 8
D) (x − 6)2 + (y + 4)2 = 8

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

What is the value of x in the following equation? -3x-2=2x+8

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?