Lauren has 73 cupcakes to put into boxes. How many cupcakes should Lauren put in each box if she wants to: (1) use the least number of boxes; (2) put the same number of cupcakes in each box; and (3) make sure the number of cupcakes in each box is a whole number?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

3x + 4y = 5 x- 3y = -7 solve by substitution