Which figure makes a vertex

What is the absolute value of the complex number -4-sqrt2i

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?

In right triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx? 34.8° 39.4° 50.6° 55.2°