What is the image of (8,-8) after a dilation by a scale factor of 1/4 centered at the origin?

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?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?