4. The inside of an ice cream cone has radius 5 cm and height 6 cm. Assuming that a half scoop of ice
cream is in the shape of a hemisphere, and that it
fits perfectly on top of the cone (same radius), find
the total volume of ice cream. Use 3.14 for and
round your answer to the nearest tenth.

Which of the following is true for the relation f(x)=2x^2+1

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

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?