Use the spreadsheet's Average function (look under AutoSum in the Function menu) to calculate the means. Enter the correct value in each box. Use numerals instead of words, and round each value to the nearest hundredth.
The mean value of people who would purchase the red box is
The mean value of people who would purchase the blue box is
Plz help me!!

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?