Show that the function (image) is constant on the interval (0,+infinity)

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length