Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Answer: D
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Solve.The sum of three numbers is -4. The first number minus the second plus 4 times the third is -12. The third plus 2 times the first plus the second is -7. Find the numbers.
A. -3, 1, -2 B. 3, -1, 2 C. 3, -1, -2 D. -3, -3, 1
Compute the gradient of the function at the given point.
A. ?f = -35i + 90j B. ?f = -35i - 90j C. ?f = 5i - 10j D. ?f = -7i - 9j
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 1, x = 6
A. 
?
B. 
?
C. ?ln 6
D. 
?
Restate in a logically equivalent form.If a triangle is equilateral, then its sides are equal.
A. If the sides of a triangle are equal, then it is not equilateral. B. If a triangle is not equilateral, then its sides are equal. C. If the sides of a triangle are not equal, then it is not equilateral. D. If the sides of a triangle are not equal, then it is equilateral.