Which relation is a function? A) (2,7) (6,5) (4,4) (3,3), (2,1)
B) (9,-3) (9,3) (4,-2) (4,2) (0,0)
C) (1,0) (3,0) (1,1) (3,1) (1,3)
D) (1,1) (2,2) (3,3) (4,4) (5,8)

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Find the area of an equilateral triangle with a side of 6 inches