Matthew examines the relation shown in the box. { ( 4 , − 11 ) , ( 3 , 1 ) , ( 0 , 1 ) , ( 2 , 6 ) , ( 3 , − 1 ) } Is the relation a function

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?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?