machine a can fill a bucket from a pipe in 4 minutes. however, machine b can empty the bucket in 6 minutes. starting from empty, if the machines are going at the same time, how long will it take to fill the tank?

4+(2+x) can you me solve this problem

Indicate the formula for the following conditions: p^c(n,r)=

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers