When substances pass through the cell membrane, this process is called cell cellular A. divison
B. respiration
C. transport
D. uptake

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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 expression is equivalent to 3^3 + 2^2?