a square floor is fitted with rectangular tiles of perimeter 220cm each row (tile length wise carries 20less tiles than each column tile breadth wise .if the length of the floor is 9.6m​

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)

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.