what is 5 divide by zero? but the answer is not zero???????????????????????????????????????????????????????????????????????????
radium has a half life of 1660 years. If the initial amount of radium is 200 grams, how much will remain in 500 years?
The school that Lisa goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 senior citizen tickets and 5 student tickets for a total of $102. The school took in $126 on the second day by selling 7 senior citizen tickets and 5 student tickets. What is the price each of senior citizen ticket and one student ticket?
Twelve more than twice a certain number is six fewer then three times the number. What number is it? 6, 12, 16, 18, 24,
find out volume of the solid obtained by rotating the region bounded by the given curves about the specified line. y=lnx, y=1, y=3,x=0; about the y-axis.
