Explain the three different cross sections that result from cutting a rectangular pyramid. please explain them i know what they are 1. a rectangle by horizontal bisection
2. a triangle by vertical bisection
3. a trapezoidal by diagonal bisection

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What is not true about kl and mn? what is mn? (show )