Solve the systems of equations using the addition method.
A. (6, -2)
B. (-7, -2)
C. (-6, -3)
D. No solution
Answer: C
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Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? -1 and x ? -2
A. (-?, -2]
B. [-2, ?)
C. (-?, -2] ? [-1, ?)
D. [-2, -1]
Find the reference angle for the given angle.129°
A. 39° B. 61° C. 51° D. 49°
Solve the problem.The capsize screening value C is an indicator of a sailboat's suitability for extended offshore sailing. C is determined by the function C = 4D-1/3B, where D is the displacement of the boat in pounds and B is its beam (or width) in feet. The International Offshore Rules require that the capsize screening value be less than or equal to 2 for safety. What is the maximum allowable beam (to the nearest inch) for a boat with a displacement of 
A. 13 ft 8 in. B. 71 ft 3 in. C. 27 ft 3 in. D. 6 ft 10 in.
Solve the problem.Allied Industries pays at the time-and-a-half rate for all time worked over 8 hours in any one day no matter how many hours are worked in a week. Ken Warner, an employee of Allied Industries, makes $9.50 an hour as his regular rate of pay. Last week he worked 11 hours on Monday, 5 hours on Tuesday, and 8 hours on Friday. What were his gross earnings for the week?
A. $243.95 B. $240.45 C. $252.45 D. $242.25