Write an expression for: the total cost of 6 pens and 3 folders. a folder costs $1.15 more than a pen

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

What is the volume of a cone with a height of 6 cm in the radius of 2 cm