Solve.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 2 pounds
B. 3 pounds
C. 4 pounds
D. 1 pound
Answer: D
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Determine algebraically whether the graph is symmetric with respect to the x-axis, the y-axis, and the origin.x2 + xy2 = 5
A. y-axis only B. x-axis, y-axis, origin C. Origin only D. x-axis only
Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula 
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. If a 
-watt resistor has a resistance of 3600 ohms, find the largest number of volts of electricity that could be placed across the resistor.
A. 60 volts B. 15 volts C. 900 volts D. 30 volts
In a survey of the dining preferences of 46 dormitory students at the end of the spring semester, the following facts were discovered about Adam's Lunch AL, Pizza Tower PT, and the Dining Hall DH. ? 23 liked AL but not PT 11 liked AL only 39 liked AL 18 liked PT 27 liked DH 7 liked PT and AL but not DH 10 liked PT and DH ? How many liked all three? ?
A. 26 B. 14 C. 101 D. 9 E. 46
Solve.
- 
= -2
A. - 
B. -9
C. 27
D. 