Help plz Simplify the expression below. If your answer is not a whole number, enter it as a fraction in lowest terms, using the slash mark (/) as the fraction bar.
-4•(7-4) - 6 / 6 +7

Which geometric principle is used to justify the construction below?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work