The ratio of students to teachers at the preschool is 14 to 2. if there are 70 students, how many teachers are there?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?