A building which is 90 feet tall casts a shadow that is 135 feet long. Give the angle of elevation of the sun rounded to the nearest tenth of a degree.

Consider the graph of the exponential function y=3(2)×

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.