Eliminate the parameter to obtain a Cartesian equation of the curve.x = 2 tan t, y = 5 sec t, 0 ? t ? 2?
A. 
- 
= 1, -? < x < ?
B. y = x2 - 9, -3 ? x ? 3
C. y = 5
, -? < x < ?
D. 
+ 
= 1, -? < x < ?
Answer: A
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In order to answer the given question, which of the following types of study would be the most appropriate: an experiment without blinding, an experiment with single blinding, an experiment with double blinding, an observational study, or a case-control study?Are short women more likely to develop breast cancer than tall women?
A. Experiment with single blinding B. Observational study C. Experiment with double blinding D. Case-control study E. Experiment without blinding
Provide an appropriate response.Solve the equation using multiplication or division: 
y = 20
A. y = 8
B. y = 
C. y = 
D. y = 50
Evaluate the expression for the given value or values.
for a = 7
A. - 
B. - 
C. 
D. 
Determine whether f is a geometric sequence.
A. Yes B. No