Find the exact value of the expression using a sum or difference identity.cos 
A. 
B. - 
(
+ 1)
C. - 
(
- 1)
D. - 
Answer: A
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Answer the question.A restaurant has the following statement on the menu: "All dinners are served with a choice of: Soup or Salad, and Potatoes or Pasta, and Corn or Beans." A customer asks for salad, potatoes, and pasta. Is this order permissible?
A. No B. Yes
For the compound inequality, give the solution set in both interval and graph forms.9x - 6 < 3x or -3x ? -9
A. ?
B. (-?, 1) ? [3, ?)
C. (-?, ?)
D. (1, 3]
Solve the problem.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). By using linear regression, the following function is obtained: 
where x is temperature and y is growth in millimeters. Use this function to predict the growth of a plant if the temperature is 60. Round to the nearest hundredth.
A. 26.00 B. 28.22 C. 27.74 D. 27.26
Determine whether the Law of Sines or the Law of Cosine is needed to solve the triangle. Then solve the triangle. ? a = 18, b = 20, C = 65° ?
A. Law of Sines; A ? 65°, B ? 52.79°, c ? 20 B. Law of Sines; A ? 52.79°, B ? 65°, c ? 20 C. Law of Cosines; A ? 52.79°, B ? 62.21°, c ? 20.49 D. Law of Sines; No solution E. Law of Cosines; No solution