Luis wants to buy a skateboard that usually sells for $79.20. all merchandise is discounted by 12%. what is the total cost of the skateboard if luis has to pay a state sales tax of 7.25%. round your intermediate calculations and answer to the nearest cent.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.