School x and y play each other in a competition. school x has eight more points than school y.
school x has three points as many points as school y.

how many points does each school have?

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.

Classify the following number. −9.070707…

Is (0,0) a to ? ys x2 - 4 y> 2x-1