In the diagram below, BC = QR = x, AC = PR = y, and triangle PQR is a right triangle. Use the drop-down menus to complete the proof that if the equation
2x2 + y2 = 22 is true of the side lengths in triangle ABC, then triangle ABC must be a right
triangle.

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)