You choose a marble at random from a bag containing 12 red,12 blue,15 green,9 yellow and 12 black marbles

Three coins are flipped. what is the probability that there will be at least two tails?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2