If you put 140 ml of water in a glass, how much concentrate should be added? Lemon squash;
1part concentrate
To 2 parts water

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?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.