The area of a square is 1,521 cm2. Find the length of a side of the square by prime factorisation method.

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.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org