XZ=XY+YZ
JL=JK+KL
use the trigonometric values table or unit circle to calculate the expression
Answer: +23
Step-by-step explanation:
It would be 23 because the difference between -19 and 4 is 23
Answer:
Average rate of change=-3
Step-by-step explanation:
The average rate of change is given by the relation between the values of f(x) and x, in two different points as follows:

In this case, 
Therefore,

The area of a right triangle with side lengths 7 and 7 is 
The perimeter is 16.2. Let me know if you need me to show you how I got this