6 Which property justifies this step in simplifying an expression?

5x 2 + x 2 + 2x + 4 = (5x 2 + x 2) + 2x + 4

A the associative property

B the inverse property

C the commutative property

D the distributive property

How can you determine if a function is linear or nonlinear from the graph of the function?

Which ordered pair is a solution of the equation y=x-3? (A). - 2,5 (B). - 5,2 (C). 2,5 (D). 5,2

Triangle ABC is similar to triangle DEF. Which statement is true about the two triangles? Angles A and C are congruent. Angles A and D are congruent. Angles B and E are proportional. Angles C and D are proportional.

My number has a ten digit that is 8 more than the one digit

how much interest is earned on a principal of $575 invested at an interest rate of 7% compounded annually for nine years?

What's the slope intercept form?

Solve the inequality. |2x + 9| < 25

Explain why the absolute value of a number is always positive

What does 17 oz equal

What are the solutions of the quadratic equation? x^2 + 11x = - 24 A.) - 3, - 8 B.) - 3, 8 C.) 3, - 8 D.) 3, 8