–3x + 9 = –3(2x + 3) + 3(x – 4) + 1

How many solutions does this equation have?
one solution
two solutions
infinitely many solutions
no solution
( 80 pts 4 answering)

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?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4