What value of k will make this expression equal to 0? b • 3.8 • 2.72 • (k – 4)

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.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

What is the value of x in the following equation. -x ^3/2 = -27