Which pair of ratios can from a true proportion a.7/4,21/12 b.6/3, 5/6 c.7/10, 6/7 d.3/5, 7/12

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

Identify the number 127 as a rational or irrational. explain

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?