To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
Answer:
no
Step-by-step explanation:
A polynomial has no variables in any denominator. The exponent of any variable is a positive integer. This function is not a polynomial.
Answer:
a
Step-by-step explanation:
easy
Add 29 and 18 first to get to get 47 then add 47 and 21 to get your final answer that is 68