Factor the expression using the GCF.
The expression 9-15x factored is

For each proportion find the unknown number x 1/5/8=×/15

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?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?