The width of a math textbook is 0.75 inches. how many math textbooks can be placed standing up on a shelf that is 18 inches wide? explain how to divide! i will mark you !

Simplify the expression. -2/5(10+15m-20n)

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?

Finding tbe values of the variables in each kite