Which number is irrational? a) 0.14¯¯¯¯ b) 6√ c) 13 d) 4√

What expression is equivalent to (2x-1)(x-3)?

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?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30