Determine if the following costs would be considered direct or indirect for a division which manufactures bicycles.

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

What kinds of antigens are found on the rbcs of a person with a+ blood

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition