Solve the equation.
- 7 = 0
A. {7}
B. {14}
C. {49}
D. {-49}
Answer: C
Mathematics
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Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If 
in.3 when 
and 
what is the volume when 
and 
(Round to the nearest tenth.)
A. 207.5 in3 B. 177.5 in3 C. 217.5 in3 D. 227.5 in3
Mathematics
Make the following length or weight conversion between the U.S. and the metric system.5.5 feet to centimeters (Round to the nearest tenth.)
A. 14.0 cm B. 216.5 cm C. 167.8 cm D. 139.7 cm
Mathematics
Multiply and simplify. Write the answer as a mixed number if possible.7
? 3
A. 10
B. 23
C. 21
D. 63
Mathematics
Find the first term for the arithmetic sequence. Find a1 when d = -3 anda8= 31.
A. 7 B. 55 C. 52 D. 10
Mathematics