-2x + y + 3 = 0
3x + 4y = -1
Solve by elimination

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

Simplify the expression. -2/5(10+15m-20n)

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts