A circle has arc whose measure is 80 degrees and whose length is 88pi yards. what is the diameter of the circle?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq