Find the equation and solve it.

the perimeter of a square is equal to 76 meters. what is the value of the length of each side, if per side measures 3x + 1?

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

41/2 - 1 1/3 what is the answer as a fraction?

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.