The diagonals of an isosceles trapezoid are perpendicular to each other. Given that one diagonal is 20 units long. find the area of this trapezoid

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.