Leo is painting his bedroom. He is only painting the walls. His bedroom measures 10 feet by 14 feet and is 8 feet tall. He will not paint the 6 foot by 2 foot door or his 3 foot by 4 foot window. How many square feet will Leo paint?

The triangles are similar. what is the value of x? show your work.

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.

Having a hard time understanding this question (see attachment).