When x is a nonzero integer, alexis says, the expression x+(-x) always equal zero. is alexis correct? if so, provide an example to support her claim. if not, provide a counter example to disapprove her claim.

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.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.