julie had 3 1/3 cups of flour. a brownie recipie called for 2/23 of flour. if julie wanted to male two batches of brownies how much additional flour would she need

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

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?