How does an earthquake of magnitude 7.8 compare in intensity with an earthquake of magnitude of 3.1 on the Richter scale?

3. find the radius of circle p.4. find y.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3