Luisa deposited $1,000 in an account earning simple interest at an annual rate of 5%. She made no additional deposits and no withdrawals. When she closed the account, she had earned a total of $1,000 in interest. How long was the account open?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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?

Factor the polynomial by its greatest common monomial factor.