Arailroad tunnel is shaped like a semiellipse as shown below. 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.

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?