the measure of angle x is 90 degrees and angle y is 12 degrees. side xz has a length of 2 cm. find the missing side lengths

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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.

The sum of two numbers is 86, and their difference is 20. find the two numbers