Use the definition of absolute value.
The absolute value is always non-negative. So if 
is already non-negative, 
is unchanged. But if is negative, then 
because multiplying by -1 makes it positive.
Now, if 
, then by the definition of absolute value,
Answer:
the equation is 110=19x-4
Step-by-step explanation:
the angels shown are vertical angles meaning they are congruent so they are equal to each other
Answer:
616 in²
Step-by-step explanation:
14 × 14 × 22/7
=> 616
Answer:
the first one
Step-by-step explanation:
