Evaluate the indicated function with the given information.Find the value of sin 
if cos ? = 
(0° < ? < 90°).
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the area of the triangle. Approximate values to the nearest tenth when appropriate.
A. 200 in.2 B. 820 in.2 C. 260 in.2 D. 410 in.2
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = x2 - 8
A. opens up B. opens down
Mathematics
Graph and write interval notation for the compound inequality.-1 ? x < 3
A. [-1, 3)
B. (-1, 3]
C. (-1, 3)
D. [-1, 3]
Mathematics
Is the following correspondence a function?
A. Yes B. No
Mathematics