Which equation shows a valid practical step in solving four square root 2X -8+4 square root 2X +8 equals zero

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

In trapezoid bath, ah=19.7 and et=16.1. identify be.

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