Which is an example of the Commutative Property of Multiplication? A. 103 +21 = 21 + 103
B. (16 x 9 ) x 7 = 7 x (9 x 16)
C. 398 x 1 = 398
D. 58 x 27 = 27 x 58

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3