Arational expression simplifies to 1/2. the denominator of the original expression is given. which polynomial is the numerator? ? 6x^2-2x-8 a) 6x^2-2x-16 b) 3x-4 c) 12x^2-4x-16 d) 3x^2-x-4

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?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Solve 17= -13 - 8x and show your work.