Nancy, an employee at downtown dry cleaning, budgets 1/4 of her yearly salary for clothing. Nancy's total clothing bill for the year is $7,960. what is her yearly salary?

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Solve the triangle. a = 21°, c = 105°, c = 5