Lydia runs an experiment to determine if a coin is fair by counting the number of times a coin lands heads up. the table shows her data.

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

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

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.