Answer:

Step-by-step explanation:
Given the vertices
,
and
. The area of triangle JKL is given by:

We substitute the values to get:

This simplifies to





Answer: 1. is A
3. -3/5
4. 9/16
Step-by-step explanation: idk how to solve the other two
The answer is D. Uts D b\c the bottom line is 5 but it's a negative. Then you see how much far is the sides dividing by two.
Answer: the line across the circle is the diameter, you find diameter by multpyling radius by two
Step-by-step explanation: