If f(x)=4x+12 is graphed on a coordinate plane, what is the y intercept of the graph?

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Which number line represents the solution set for the inequality - x 24?

What is the radical expression that is equivalent to the expression 27 1 over 5?