Which statement shows how the product of (x + 7)2 demonstrates the closure property of multiplication?

a. x2 + 14x + 49 is a polynomial
b. x2 + 14x + 49 may or may not be a polynomial
c. x2 + 49 is a polynomial
d. x2 + 49 may or may not be a polynomial

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48