Solve using perfect square factoring patterns. x2 – 12x + 36 = 4 a. {–8, –4} b. {–2, 10} c. {4, 8} d. {10, –2}

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

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?