the top of a tower of the height 75m, a guard sees two prisoners both due to West. If the angle of depression are 10° and 17° , calculate the distance between them.

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle