In the triangle below, b = decimal places. If necessary, round your answer to two decimal places. ​

How do you answer this question? (step by step)

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.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b