Which ratios form a proportion? a. 4/12, 6/8 b. 16/12, 3/4 c. 3/2, 15/14 d. 10/16, 5/8

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

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.