What is the Domain of f(x)?
what is the range of f(x)?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827