Which shows the use of the commutative property? 3 (7 + n) = 21 + 3 n
7 + (3 + n) = (7 + 3) + n
3 n + 7 = 7 + 3 n
(7 + 3) + n = 10 + n

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

Ms. green tells you that a right triangle has a hypotenuse if 13 and a leg of 5. she ask you to find the other leg of the triangle. what is you're answer?

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.