The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $8 each and will sell 500 tickets. There is one $1,000 grand prize, two $500 second prizes, and fifteen $20 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

How do you find principle and simple interest

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain