Factor the polynomial completely. Only one of the following choices is one of the factors of the polynomial. Choose the correct factor. If it is not factorable, state it is prime.49×2 + 4y2

Simplify the rational expression. To use the equation editor, click on above the box.

Perform the indicated operation. Simplify if possible. Must show all work for full credit. LEAVE ANSWER IN FACTORED FORM. 

Which of the following is associated with contact dermatitis?

Some people have resistance to HIV infection due to what?

Match the type I hypersensitivity reaction with its description.

If a patient receives an incompatible unit of blood during a blood transfusion, they will experience which type of hypersensitivity reaction?

Which of the following is not a privileged site?

Match the description with the immunodeficiency disorder.

Which of the following is a way to minimize the development of Graft vs Host disease in hematopoietic stem cell transplants?