While on vacation, sandra wants to buy 2 wallets. there are 7 different patterns she can choose from. in how many ways can sandra choose 2 different wallets?

The formula for the volume of a rectangular prism is v = lwh. a rectangular prism has a length of 2y 3 and width of 5y. the volume of the prism is 20y 10 + 70y 4 . what is the height of the prism? show your work.

Answer this question, only if you know the answer. 30 points and brainliest!

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in