If line a and line b are parallel, which angles are vertical angles? 1.2
817
9 10
1413
11 12
16 15
C
4
A. 23 and 211
B. 28 and 23
C. 27 and 23
D. none of these

How do you find the area of this triangle.

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.