What is the slope of the line that is represented by 3x -7y = -14?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.