Answer:
mZ is 72°
Step-by-step explanation:
The three points form a right triangle with a 90° angle at Y. Since a triangle has 180°, first subtract 180-90=90°. Next, subtract 90-18=72 because mX=18°. Therefore, mZ is 72°.
7x - 8.
sad face
C. 25h – 5
5(6h - 1) - 5h = 30h - 5 - 5h = 25h - 5