Complete the following proof: Given:
<1 and <3 are vertical angles
<2 and <4 are vertical angles
<1 and <2 are supplementary angles

Prove:
<3 and <4 are supplementary angles

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

In the 30-60-90 triangle below side s has a length of and side r has a length

Ineed to know the answer to this algebra question.