Express the following in simplest a + bi form. square root of 9 plus the square root of negitive 36

A(t)=728(1+0.04)^t how much money did aditya originally invest

Simplify the expression 10/11(22z) + (a+5) -1

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.