Answer:

Step-by-step explanation:
=> 
<u>Using Formula</u> 
<u><em>Where </em></u>
a = 249
b = 248
=> 
=> 
=> 497
Answer:
Simplify the expression: 
Use the exponent power:

Apply the given rules;

Simplify:

then;

Therefore, the simplified expression of
is, 
Answer:
22/77
Step-by-step explanation:
just put the probable amount over the total amount for these
C is the answer because there is no variable for X which without it would make a horizontal line.
Answer:
Im Gonna Have to Say B
Step-by-step explanation: