Write the standard form of the equation of each line. 3) y = -2x + 6 A) 2x + y = 6 C) 4x + y = -5 2 4) y = -x + 2 3 B) r-y=-5 D) 2x + y = -6 A) 3x - 5y = -6 B) 2x - 3y = -6 C) x - 5y = 6 D) x - 5y = -6 Please help me

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

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

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.