Televisions and monitors come in two common aspect ratios, 4:3 and 16:9 (sometimes 16:10 is also used). A 42 inch TV suggests that the main diagonal of the TV is 42 inches.

Determine the dimensions of the screen of a 42 inch TV with a 4:3 aspect ratio.

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 the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Find the solution of this system of equation -7x+y=-20 9x-3y=36