Simplify.
3
A. 
B. 11
C. 
D. 182
Answer: B
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Determine whether the variation between the indicated quantities is direct or inverse.The time to paint a house and the number of people painting.
A. Inverse B. Direct
Find a system of inequalities with the given graph.
A. y ? -x + 7 y ? 0 x ? 0 x ? 3 B. y ? -x + 7 y ? 0 x ? 0 x ? 3 C. y ? -x + 3 y ? 0 x ? 0 x ? 7 D. y ? -x + 7 x ? 3
Solve for the specified variable.
+ 
= c for b
A. b = 
B. b = 
C. b = 
- a
D. b = ac - 
Solve the problem.The volume of a gas varies inversely as its pressure and directly as its temperature. If a certain gas occupies a volume of 2.2 L at a temperature of 
and a pressure of 18 N/cm2, find the volume when the temperature is 
and the pressure is 
Round to the nearest tenth.
A. 44.0 L B. 1.9 L C. 2.5 L D. 30.5 L