You choose one spade, one club, one heart, and one diamond from a standard deck of playing cards. Count the number of elements in the event that each card has a different face value.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Solve the triangle. a = 21°, c = 105°, c = 5

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?