Frank can sell 3 phone per day. He wants to sell 57 phones. How long will it take him to reach his goal if he has already sold 21 phones? Include your equation with your answer

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

What is the range for 31,39,29,34,37,24,36,33,34,28

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?