Suppose w=xy+yzw=xy+yz, where x=et, y=2+sin(4t)x=et, y=2+sin(4t), and z=2+cos(3t)z=2+cos(3t).

Find the value of x for which the lines are parallel.

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?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?