-9-2(7-4x)
What is the answer?

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 f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Hundred and tens tables to make 430 in five different ways