Acircle is defined by the equation x2 + y2 + 8x + 22y + 37 = 0. what are the coordinates for the center of the circle and the length of the radius? a. (-4, -10), 11 units b. (-4, -11), 10 units c. (-11, -4), 10 units d. (4, 11), 10 units

Simplify the expression. enter the correct answer.

What kind of bond pays interest which is exempt from tax?

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?