The first person to answer this correctly with an explanation get brainiest. A hemisphere-shaped security mirror fits exactly inside a rectangular prism box with a square base that has an edge length of 10 inches. What is a reasonable estimate for the volume of this mirror?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0