Which trinomial is the product of the expression below?
(2x+3)(3x-5)

a. 6x^2+19x-15

b.6x^2-19x-15

c. 6x^2+x-15

d.6x^2-x-15

Which best explains why this triangle is or is not a right triangle?

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 area of square garden is 300m squared. how long is the diagonal?