Jia has a bag with a purple marble, a white marble, and an orange marble. She pulls a marble from the bag and then puts it back 3 times.

How many possible outcomes are there for this experiment?
What is the probability of selecting exactly 2 white marbles?
What is the probability of selecting two orange marbles after selecting a purple marble?

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.