Use the sum and difference identities to evaluate exactly.sin 
A. - 
B. 
C. 
D. - 
Answer: B
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Provide an appropriate response.Solve the equation using multiplication or division: 
y = 20
A. y = 8
B. y = 
C. y = 
D. y = 50
Solve the problem.A certain area of forest is populated by two species of animals, which scientists refer to as A and B for simplicity. The forest supplies two kinds of food, referred to as F1 and F2. For one year, species A requires 1.45 units of F1 and 1 units of F2. Species B requires 2.0 units of F1 and 1.9 units of F2. The forest can normally supply at most 833 units of F1 and 453 units of F2 per year. What is the maximum total number of these animals that the forest can support?
A. 312 animals B. 886 animals C. 184 animals D. 453 animals
Use an analytic method to solve the equation.
= 
A. 
B. 
C. 
D. ?
Solve the triangle. Round side lengths and angle measures to the nearest tenth when necessary. 
A. a ? 3.8, B = 28°, C = 92° B. a ? 3, B = 30°, C = 90° C. a ? 3.5, B = 30°, C = 90° D. a ? 3.5, B = 35°, C = 85°