Y=^x is this proportional

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

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.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan