There are 4 keys on a keychain. one of the keys starts a car. if a key is randomly chosen, what is the probability that it starts the car

a)15% b)25% c)20% d)5%

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon