Factor completely.20z4 + 3z2 - 9
A. (4z4 + 3)(5z - 3)
B. (4z2 + 3)(5z2 - 3)
C. (5z2 + 3)(4z2 - 3)
D. (5z4 + 3)(4z - 3)
Answer: B
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Determine whether the value of 
is a solution of the inequality.
?
A. Yes B. No
Find the standard quota asked for. Round your answer to two decimal places if necessary.The faculty senate of a university has 45 senators to be apportioned among its four colleges based on the number of faculty in each college. The colleges are Liberal Arts (L), Sciences (S), Business (B), and Engineering (E). The number of faculty in each college is shown in the following table.
Find the standard quota for the College of Sciences.
A. 13.06 B. 14.34 C. 16.32 D. 11.67
Solve the problem.To get an A in biology, Fred must have a mean score of 91 on six quizzes. Scores on the first five quizzes were 93, 85, 87, 95, and 96. What is the lowest score that Fred can get on the last quiz and still receive an A?
A. 103 B. 89 C. 90 D. 91
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin 
.
A. - 
B. 
C. 
D. - 