Which pairs of angles in the figure below are vertical angles? Check all that apply.
S
E
B
O A. ZBOA and ZBOE
B. ZSOB and ZAOB
I C. ZSOE and ZDOA
D. ZEOA and ZDOS

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Describe a situation that you could represent with the inequality x< 17

In the diagram, gef and hef are congruent. what is the value of x