What is the balance chemical equation for CH4 + O2

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Evaluate the expression. (9 + 5)(3 + 2)0

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?