()“cheyenne has seventy marbles and gives 2/5 to her friend niome. niome then gives 1/4 to mary. how many marbles did niome keep? ”

I believe the answer is 21. I can tell you how I got the answer if you want.

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'.

answer:     true

step-by-step explanation: