8. Multiple Choice: Which equation is the factored form of x2 + 2x - 3 = 0? a) (x - 1)(x + 3) = 0

b) (x - 1)(x - 3) = 0

c) (x - 3)(x + 1) = 0

d) (x+3)(x + 2) = 0​

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)