A1BC is a section of the right triangular prism ABCA1B1C1, and A1C ⊥ BC, A1C1 ⊥ B1C1 (see the figure on the right). Find the area of the section and the volume of the pyramid ABCA1, if A1B1 = 29, A1C1 = 20, and BB1 = 48.

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

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

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t