Find the average value of f over the given rectangle. f(x, y) = 3x2y, R has vertices (−5, 0), (−5, 2), (5, 2), (5, 0).

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle