Arjun substituted the measurements of a cone into the formula to find the surface area. His work is shown below. S A = pi (12) (15.2) + pi (12 squared)

What can be concluded from Arjun’s equation? Check all that apply.
The slant height is 15.2 units.
The diameter is 12 units.
The base area is 144 pi square units.
The lateral surface area is 182.4 pi square units.
The surface area is 312.4 pi square units.

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.