A quadratic function is used to describe the arch of a bridge. At the base, the arch is 20 feet wide and has a maximum height of 8 feet. If the left side of the base is at the origin, which graph best represents
the function?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

If the value of cos330°is√3/2 then find cos 165°.