Value of 7.6a + 16.2c, when a= -6 and c = -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.

Find the values of the variables in the kite

What is the slope of the line (-7,2) (4,6)