What is the mean of 70,68,72,66,68,69,66,71,74,66

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.