Bruce measured his feet to be between 0.2 and 0.21 meters in length. carrie has a pair of red bowling shoes that measure 23/100 of a meter and a blue pair that are 18/100 meters in length. can bruce fit into either pair of carrie's bowling shoes? explain

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?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Can someone tell me if this is perpendicular? !