Answer:
3 workbooks 5 dry earase markers
Step-by-step explanation:
seems to me like you need help offten
Answer:

Step-by-step explanation:
To simplify the expression
first we need to raise every member of the denominator to the given exponent, number 4
Remember that
where 'a' and 'b are natural numbers (any numbers you want

Where we can make some operations, remember that 

We have assumed that nor x, nor y equals 0 in any moment, since if that would happen, we ca not simplify anything bacause error math 0/0.
A: 1 over 20; because if you multiply 4 (the number of cards) with 5 (The number of equal sectors), you get the answer of 20.