Use a protractor to measure the angle.
A. 180°
B. 155°
C. 65°
D. 25°
Answer: D
Mathematics
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Find an algebraic expression for the given expression.cos(2 cos-1 x)
A. -1 B. 1 C. 2x2 - 1 D. 2x2 + 1
Mathematics
Determine the amplitude and range of the function and sketch its graph.y = -5 cos x
A. amplitude: 5; range: [-5, 5]
B. amplitude: 5; range: [-5, 5]
C. amplitude: 5; range: [-5, 5]
D. amplitude: 5; range: [-5, 0]
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
557
A. Incorrect; should be 647 B. Incorrect; should be 507 C. Correct D. Incorrect; should be 657
Mathematics