What is 0.79 (with the repeated 79) in fraction form?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What does the sign of the slope tell you about a line?

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets