Help me with the following questions.

What is the length x of the side of the triangle below? (hint: use the cosine function)

Orange juice has a lower or higher viscosity than chocolate syrup

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.