Evaluate the following expression. (t ? ?/2+?n, where n is a whole number)
?
?
A. - 2 tan t
B. 2 tan t
C. 2 sin t
D. - 2 cot t
E. 2 cot t
Answer: B
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Provide an appropriate response.Which one of the following is a description of the graph of the inequality?(x - 9)2 + (y - 8)2 > 4
A. the region inside a circle with center (9, 8) and radius 2 B. the region outside a circle with center (9, 8) and radius 2 C. the region outside a circle with center (-9, -8) and radius 2 D. the region inside the circle with center (-9, -8) and radius 2
Solve the inequality.|x - 2| ? 0
A. {-2} B. {2} C. (-?, 2) D. ?
Use a proportion to solve the application.According to a recent study, 1.54 million households in one American city have pets. Out of every 100 people, 56 have more than one pet. How many households own more than one pet?
A. 86,240 people B. 805,999 people C. 862,400 people D. 869,127 people
Find the exact value of the expression.cos 240°
A. - 
B. 
C. 
D. - 