Domain: ( -infinity, infinity ) , { x|x € R }
Range: ( -infinity, infinity ) , { y|y € R }
The difference of the expression 
is 
<h3>How to determine the difference?</h3>
The expression is given as:
Factor the denominators of the expressions:
Apply the difference of two squares to x² - 9
Take LCM
Hence, the difference of the expression is
Read more about expressions at:
brainly.com/question/723406
#SPJ4
Answer:
A.) Angle R, Angle S, Angle T
Step-by-step explanation:
It's a because it asked in order for an obtuse, an acute, and right. So in order it's R (for obtuse), S (for acute), and T (for right)
Im pretty sure its B if not im sorry :(
Answer: 10 3/8
Step-by-step explanation:
= 50 - 19 3/4 - 19 7/8
= 10 3/8
