Reaghan solved the following word problem: "Amanda has (20x + 6) dollars to spend. She purchased one book for (5x + 2) and two notebooks for (x - 3) each. How much money does Amanda have left over after she purchased the one book and two notebooks?" Reaghan's incorrect work is shown below. Explain what was Reaghan's mistake and solve the problem correctly in the Show Your Work section.

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²