The rectangular coordinates of a point are given. Find polar coordinates for the point.(0.6, -1.1) Round the polar coordinates to two decimal places, with ? in degrees.
A. (1.25, -57.93°)
B. (1.25, -61.39°)
C. (1.25, 61.39°)
D. (1.25, 57.93°)
Answer: B
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For the given polar equation, write an equivalent rectangular equation.r = 
A. 9x - 7y = 1
B. 
= 1
C. 
+ 
= 1
D. 9y - 7x = 1
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - 2x - 48
A. (x + 8)(x - 6) B. (x - 8)(x + 6) C. prime D. (x - 48)(x + 1)
Insert commas as needed.23488432
A. 234,884,32 B. 234,88,432 C. 23,488,432 D. 2,348,843,2
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, 750 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. 11 P1 planes and 7 P2 planes
B. 5 P1 planes and 17 P2 planes
C. 7 P1 planes and 11 P2 planes
D.
| 9 P1 planes and 13 P2 planes |