Use the elimination method to find all solutions of the system: ſz? – 2y = 1
( :22 + 5y = 29
The two solutions of the system are:
(the one with < 0 is)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?