Solve the problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb
B. 4 lb
C. 2 lb
D. 1 lb
Answer: D
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Write the number in decimal notation without the use of exponents.9.32 x 10-4
A. 0.000932 B. 0.00932 C. -932,000 D. 0.0000932
From a 
-lb wheel of cheese, a 
-lb piece was served. How much cheese remained on the wheel?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
For the function f, construct and simplify the difference quotient 
.f(x) = 
A. - 
B. - 
C. - 
D. 
A manufacturer of wooden chairs and tables must decide in advance how many of each item will be made in a given week. Use the table to find the system of inequalities that describes the manufacturer's weekly production.Use x for the number of chairs and y for the number of tables made per week. The number of work-hours available for construction and finishing is fixed.
A. x + 3y ? 0 x + 2y ? 0 x ? 27 y ? 20 B. x + 3y ? 27 x + 2y ? 20 x ? 0 y ? 0 C. x + 3y ? 27 x + 2y ? 20 D. x + y ? 36 3x + 2y ? 0 27x + 20y ? 0