Please help! Determine the nth term formula for each of the following sequences and find the limit (if it exists). a. 4,-9, 16,-25, …
b. 1,-1, 1,-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.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer