Which statement shows how the product of (x + 3)^2 demonstrates the closure property of multiplication?

x^2 + 9 may or may not be a polynomial
x^2 + 6x + 9 may or may not be a polynomial
x^2 + 9 is a polynomial
x^2 + 6x + 9 is a polynomial

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

The variable in a relation who’s value depends on the value of the independent variable is called what?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years