6(m + 2 + 7m) Part A: Write two expressions that are equivalent to the given expression. (3 points)

Part B: Show that one of your expressions in Part A is equivalent to the given expression using algebraic properties. Explain which properties you used. (4 points)

Part C: Show that your other expression from Part A is equivalent to the given expression by substituting a number for m. (3 points) I will give brainliest

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6(m + 2 + 7m)

A. 6m + 12 + 42m AND 48m + 12

B. 6(m + 2 + 7m) is equivalent to 6m + 12 + 42m because it's just simplified I just distributed.

6(m + 2 + 7m) (Given)

6m + 12 + 42m (distribute)

C. 6(m + 2 + 7m) is equivalent to 48m + 12 because it's just simplified I just distributed and then combined like terms:

6(m + 2 + 7m) (Given)

6m + 12 + 42m (distribute)

48m + 12 (combine like terms)

597

step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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