Write a formula for the general term (the nth term) of the sequence. Then use the formula for an to find the twelfth term of the sequence.25, 5, 1, 
, . . .
A. an = 25
n + 1; a12 = 
B. an = 25
n - 1; a12 = 
C. an = 25
n; a12 = 
D. an = 5
n - 1; a12 = 
Answer: B
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The magnitude of a star is a measure of its brightness, and it is related to the relative intensity of light reaching Earth from the star. The relationship is
Magnitude 
Relative intensity).
If relative intensity is divided by 100, how is magnitude affected?
?
A. Magnitude is decreased by 2. B. Magnitude is increased by 5. C. Magnitude is increased by 2. D. Magnitude is decreased by 5.
Reverse the order of integration and then evaluate the integral.
A. 3 sin 8 B. 8 cos 3 C. 3 cos 8 D. 8 sin 3
Find the volume of the solid. Round to two decimal places when necessary.Right rectangular prism
A. 824 mm3 B. 56 mm3 C. 412 mm3 D. 672 mm3
Graph the ellipse.16(x - 1)2 + 4(y - 2)2 = 64 
A. 
B. 
C. 
D. 