Find the product.
A. 12
B. -27
C. 6
D. -12
E. 27
Answer: B
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane except y = 0; range: all real numbers; level curves: parabolas 
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
C. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
D. Domain: all points in the xy-plane except y = 0; range: real numbers z ? 0 ; level curves: parabolas 
Solve the equation for the specified variable.
+ 
= c for b
A. b = 
- a
B. b = ac - 
C. b = 
D. b = 
Solve the problem.The sum of two numbers is 8. If one number is subtracted from the other, their difference is 2. Find the numbers.
A. -5, 3 B. 5, -3 C. 5, 3 D. 6, 2
Find the volume.Of a box 5.4 in. x 3 in. x 5 in.
A. 48.6 in.3 B. 145.8 in.3 C. 75 in.3 D. 81 in.3