Discover Questions

The angle of elevation of the sun is 28 degrees 10 minutes,the shadow of a tree on horizontal ground is 97.3 ft. long. How tall is the tree? What is the equation for the parabola with focus (-2,0) and diretrix x=2? (a+1)(ab+1)>=4ab giup e vs? How longe is it take to drive a plane to the moon I cant find it anyware? What is the converted conic r=2/1+4cosθ in rectangular form?