To pass a math test, students must answer 70% of the questions correctly. If there are 120 questions on the exam, how many do the students need to get correct to pass?Answer: ___________

In severe cases of snoring, patients may need surgery to trim excess tissues in the throat; this is called a(n) ________.

Fill in the blank(s) with the appropriate word(s).

Otitis media is an infection of the:

A. upper respiratory system. B. middle ear. C. inner ear. D. semicircular canals.