The cross section of a satellite dish is a parabola . The receiver should be placed at the focus of the parabola . The satellite dish is 9 feet wide at its opening and 2 feet deep . How far should the receiver be placed from the vertex of the satellite dish to the nearest hundredth ( two decimal places ) Show your work to receive full credit.

Norma has an a-frame cabin. the back is shown below. how many square feet of paint will she need to cover the back of the cabin? explain how you found the answer.

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?