4(6.2*10^11) simplify the expression write answer using scientific notation

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.

What term makes it inconsistent y=2x - 4 ?

Me n o w. i need t h i s. 10 points