Determine the slope of the line below.

A. -3 B. 3 C. 1/3 D. -1/3

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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?