9. an annealed copper strip 6" wide and 1.00" thick is being rolled to a thickness of 0.80" in one pass. the roll radius is 14" and the rolls rotate at 100 rpm. calculate the roll force and the power required in this operation. (20 points) power=

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Two lines parallel to a third line are parallel to each other. always sometimes or never

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?