I need to find the surface area The 12 in. It is changed by 14.42 in. and 6 in. is changed by 7.21

How can you decide witch operations to use to slice a two step equation

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?

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "