Point B is on line segment AC. Given AB= 4X-10, BC=x+2, AC= 27. Solve for x and use it to determine the numerical length of BC.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

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