Pls help, this is Math class btw. What is the distance between the florist shop (D) and the car wash (E)? Explain using coordinate subtraction.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

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.