2.5 Determine the exact value of the following expression (2√3+3√4)(√3-√4)

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Volume of a cylinder with a radius of 13 in and height of 30 in

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12