A tower has a height of 32 m. The angle of elevation of the top of the tower T from point B is 36° on the ground. Given the distance between B and C is 22 m, find the angle of elevation of the top of the
tower T from point C.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

What is the result of adding the system of equations? 2x+y=4 3x-y=6