Answer:
slope = -1/4 intercept = 50
Step-by-step explanation:
Answer:
C (a, b) is the cordinates of point c.
Step-by-step explanation:
1 is your answer its law of trig identises
Answer:

Step-by-step explanation:
We want to find

This can be rewritten as;


Recall that; 

We evaluate now to obtain;

False a rectangle could never be a square