in the diagram above, not drawn to scale, PT =4cm, the angle of elevation of T from Q is 20°. Calculate the horizontal distance PQ, to the nearest metre. someone please help me.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

In the diagram, gef and hef are congruent. what is the value of x