To prove the circles are similar, which sequence of transformations will map circle A with center (-3, -2) and radius 4 to circle M with center (-2, 1) and radius 12?
Translate <1, 3> then dilate by scale factor of 3
Translate <-1, -3> then dilate by scale factor of 3
Translate <-1, -3> then dilate by scale factor of 1/3
Translate <1, 3> then dilate by scale factor of 1/3

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?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.