1. Find the perimeter of the rhombus above. ASAP pleasee

How do you solve a question like this?

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat