If the radius of a circle is 30 centimeters, then how many centimeters is its diameter?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)