Plz only add a answer if u will do all also will give brainlest

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?