Write -12 7/8 as a decimal. (need asap with work)

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.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show