Answer:
AC = 30
Step-by-step explanation:
Start with:

Combine like terms.

Subtract
from both sides of the equation.

Subtract
from both sides of the equation.

Then, substitute
for
in 

Multiply.

Finally, add.

Answer:
All the exponents in the algebraic expression must be non-negative integers in order for the algebraic expression to be a polynomial. As a general rule of thumb if an algebraic expression has a radical in it then it isn't a polynomial
so no its not.
Answer:
Option C x>0
GOOD LUCK FOR THE FUTURE ! :)
Answer:
I REALLY NEED POINTSSSSSSSSSSS
Step-by-step explanation:
PLEASEEEEEEE