At Subway, the timer for buns buzzes every 11 minutes and the timer for cookies buzzes every 4 minutes. If both timers just buzzed, how long will it be before both timers buzz again at the same time?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3