Answer:
60
Step-by-step explanation:
dont listen to me this is a wrong answer
<span>multiply 42.50 by 10% then add that answer to 42.50 to get the total price she will have to pay.</span>
Answer:
Polynomials will be closed under an operation if the operation produces another polynomial. When adding polynomials, the variables and their exponents do not change. ... When subtracting polynomials, the variables and their exponents do not change. Only their coefficients will possibly change.
Step-by-step explanation: