Solve the problem.The physics department of a college has 7 male professors, 10 female professors, 14 male teaching assistants, and 9 female teaching assistants. If a person is selected at random from the group, find the probability that the selected person is a teaching assistant or a female.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression. Do not use a calculator.5 cos ?, if ? = 45°
A. - 
B. 
C. - 
D. 
Mathematics
Solve the inequality and draw a number line graph of the solution.3(1 + x) + 4(1 - x) < x + 2
A. 
B. 
C. 
D. 
Mathematics
Divide the monomials.
A. x9y3 B. 8x8y9 C. 8x8y2 D. 8x9y3
Mathematics