Abag contains 5 red marbles 3 yellow marbles and 2 blue marbles once a marble id drawn it is not replaced what is the probability of drawing a blue marble on the first and a second blue marble on the next draw

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.