Solve.If y varies inversely as x and y is 4.5 when x is 2, what is y when x is 4?
A. 0.56
B. 4.5
C. 2.25
D. 9
Answer: C
Mathematics
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Find the eccentricity of the hyperbola.y2 - 144x2 = 144
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Determine the volume of a sphere whose diameter is 37 feet.
A. 26,521.8 ft3 B. 17,203.4 ft3 C. 212,174.8 ft3 D. 4,300.8 ft3
Mathematics
Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = - 
, ? < ? < 
Find tan (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.An annuity with payments made at the end of each period is called an ordinary annuity.
A. True B. False
Mathematics