Solve the equation for all values 0 ? x ? 2?.sec 
= cos 
A. x = 
, 
B. x = 0, 2?
C. x = 0, 
, ?, 
D. x = 
, 
, 
, 
, 
, 
, 
Answer: B
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Make the following conversion involving the U.S. and metric systems.23 L = 
qts
A. 21.8 qt B. 24.4 qt C. 10.4 qt D. 27.6 qt
Solve the problem.You have 84 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 21 ft, width: 21 ft B. length: 63 ft, width: 21 ft C. length: 42 ft, width: 21 ft D. length: 42 ft, width: 42 ft
Divide and simplify.
A. 2 - 
x3 + 
x2
B. 2 - 
x2 + 
x
C. 2 + 
x2 - 
x
D. 2 - 2x2 + 5x
Solve.An employee was paid $73,353 during the first half of last year. During the second half he was paid $79,271. How much more was his income during the second half?
A. $5929 B. $152,635 C. $152,624 D. $5918