Answer:
If the number is infinite then it's irrational
Answer:
D m = 
Step-by-step explanation:
factor the expressions in the denominator and the numerator to simplify the expression:
=> 
=> 
to make a fraction undefined, the numerator should be 0, thus, we substitute the values of m from the options into the denominator to make the denominator equals to 0:
=>
=
= 
in this case, the values of m from option D make the denominator of the fraction equals 0.
Right angle are known as exactly 90 degrees corresponding to a quarter turn.
9.) 3
10.) 1
11.) x-axis
12.) 4
13.) y-axis