Answer:
x=2/15
Step-by-step explanation:
1/5+x+2/3=1
3/15+x+10/15=15/15
13/15+x=15/15
x=2/15
I believe you have to divide.
8/4=2.
Pls let me know if this helps
To find the reciprocal, you just flip the fraction upside down, so it would be D
By definition we have to:
A set has under an operation if performance of that operation on set members always produces a member of the same set; in this case we also say that the set is closed under the operation.
For this case we have the following polynomials:

Multiplying we have:

The product of two polynomials is also a polynomial.
Answer:
d
is a polynomial
1 quarter, 2 dimes, 2 nickels, 10 pennies