If a number is odd that it has a remainder of one when divided by two which is the hypothesis of the conditional

Y=4x^2+x-1 solve using quadratic formula

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15