Given: quadrilateral gram with vercies G(5,1) R(1,-1) A(-4,3) and M(0,5) Prove: GRAM is a parallelogram

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.