Write an algebraic expression that represents 15 less than x divided by 9?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Which of the following values in the set below will make the equation 5x + 6 = 6 true? (only input the number.) {0, 1, 2, 3, 4}

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.