Y=5cos(20x) find amplitude, period & graph

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?