Evaluate without using a calculator by using ratios in a reference triangle.csc 330°
A. -2
B. 
C. 2
D. - 
Answer: A
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Give all possible rational zeros for the polynomial.f(x) = -2x4 + 5x3 + 4x2 + 18
A. ±1, ±2, ±3, ±6, ±9, ±18
B. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
D. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 5 P1 planes and 22 P2 planes B. 9 P1 planes and 13 P2 planes C. 14 P1 planes and 7 P2 planes D. 9 P1 planes and 12 P2 planes
Express the number in scientific notation.61,000,000
A. 6.1 × 107 B. 6.1 × 10-6 C. 6.1 × 106 D. 6.1 × 10-7
The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find cot t.
A. - 
B. 
C. - 
D. 