Use a common unit right triangle to find the value.cos 60°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether the test point is a solution to the linear inequality.(6, 16), y > 2x + 4
A. Yes B. No
Mathematics
Find an equation for the sphere with the given center and radius.Center (0, -9, -2), radius = 3
A. x2 + y2 + 3z2 + 18y + 4z = -76 B. x2 + y2 + z2 + 18y + 4z = -76 C. x2 + y2 + 3z2 + 18y - 4z = -76 D. x2 + y2 + z2 + 18y - 4z = -76
Mathematics
Find the derivative of the given function.y = (tan-1 5x)3
A. 15(tan-1 5x)2
B. 
C. 
D. 
Mathematics
Add or subtract. Express the answer as a mixed number.10
- 6
A. 16
B. 15
C. 3
D. 3
Mathematics