Arailroad tunnel is shaped like a semiellipse

the height of the tunnel at the center is 58 ft and the vertical clearance must be 29 ft at a point 21 ft from the center. find an equation for the ellipse.

What is the value of x in the diagram below?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?