What fraction part remains uncovered if 3 rectangles are covered use the image below to you visualize the problem. i shaded in 3 rectangles and there are 25 rectangles in all. pls

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

∆red ≅ ∆ by rule will give brainiest if possible

Given that abcd is a rhombus, what is the value of x?