The average number of daily phone calls, C, between two cities varies jointly as the product of their populations, Upper P 1 and Upper P 2, and inversely as the square of the distance, d, between them. Use this information to answer parts (a) through (c).

∠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°

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Is this a polynomial function? i need to know asap