Write a real world problem that can be solved using the equation, 5x = 3x + 20

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.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?