Enter a function in factored and standard form for the given k and set of x-intercepts. x-intercepts: −9 and 6; k = −4

Simply 8x squared + 5(7x squared- x) - 2x =

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?

What dimensions can créate more than one triangle ?