How many ways can a person choose 3 desserts from a desserts tray 8 desserts​

In combinatorics, this question is a combination question, because combination deals with selection while permutations deal with arrangement.

Plugging in our values,

That means 3 desserts from a tray of 8 desserts 56 times.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation:

30 people weigh 160 pounds or more