Fred earns $9.50 per hour. last week he earned a total of $261.25. write and solve an equation to determine how many hours he worked. let h represent the number of hours.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=