How to factor 2n^2+3n-9 without splitting the middle term

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%