The sum of two numbers is 10 the difference between the two numbers is 4

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°