Tan (sec^-1 2)
Find the Exact value

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Mario and luigi were printing calendars mario used 2 1/2 ink cartridges while luigi used 1 3/4 ink cartridges .how many more ink cartridges did mario use than luigi

If twice a number is at least three less than four times the number, which of the following are true? let n represent the number.