The commutative property applies to addition and O division
O multiplication
o subtraction

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

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Bring the fraction a/a-4 to a denominator of 16-a^2