Can u guys pls help me on this question and pls explain how u got the answer

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?