Eliminate the parameter to obtain a Cartesian equation of the curve.x = 2 + sec t, y = 5 + 2 tan t, 0 < t < 
A. (x - 2)2 - (y - 5)2 = 4, -? < x < ?
B. (x - 2)2 + 
= 1, 1 ? x ? 3
C. (y - 2)2 - 
= 1, -? < x < ?
D. (x - 2)2 - 
= 1, x > 3
Answer: D
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Write the decimal using the indicated form.0.039; expanded exponential form
A. 0 ? 100 + 0 ? 101 + 3 ? 102 + 9 ? 103 B. 0 ? 100 + 3 ? 10-1 + 9 ? 10-2 C. 0 ? 100 + 0 ? 10-1 + 3 ? 10-2 + 9 ? 10-3 D. 0 ? 101 + 0 ? 102 + 3 ? 103 + 9 ? 104
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords do not start with the digit 0?
A. 364 B. 365 - 1 C. 355 D. 35 × 364 E. none of these
Use conversion factors to convert the units of measure.26 feet to yards
A. 21 yd.
B. 2
yd.
C. 312 yd.
D. 8
yd.