Make the indicated conversion within American units of weight.7.9 tons to pounds
A. 15,800 lb
B. 7900 lb
C. 1580 lb
D. 126.4 lb
Answer: A
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State the degree of the polynomial equation.x4 - 18x2 + 32 = 0
A. 2 B. 4 C. 6 D. 1
Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (0, 6), is clockwise, and requires 3 seconds for a complete revolution.
A. x = 4 cos (
?t), y = 6 sin (
?t), 0 ? t ? 3
B. x = 4 sin (3?t), y = 6 cos (3?t), 0 ? t ? 3
C. x = 4 sin (
?t), y = 6 cos (
?t), 0 ? t ? 3
D. x = 4 sin (
?t), y = -6 cos (
?t), 0 ? t ? 3
For the function, find the average rate of change of f from 1 to x: 
f(x) = x3 - x
A. 1
B. x2- x
C. 
D. x2+ x
Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.