(2x2-3x -1) + (2x2 + x-4)
A. 4x2 -2x-5
B. 4x4 -4x3 -13x2 + 11x + 4
C. -3
D. 4x + 3

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

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.)