What is the solution of the proportion 22/11=r/13

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?

Item 1 solve for s. s+24=90 −114 −66 66 114

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re