Refer the trapezoid KLMN below, with 
. Find x and y.
?
?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: D
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Find the indicated probability.A pair of dice is rolled 50 times and the sum is recorded each time. The results are shown in the table. 
Compute the empirical probability of getting a sum greater than 9.
A. 
B. 
C. 
D. 
Write the inequalities that describe the constraints on production.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. The company can produce up to 84 rings each day, using up to 210 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 7 man-hours to make one SST ring. Let x represent the number of VIP rings, and let y represent the number of SST rings.
A. 0 ? x ? 84, 0 ? y ? 84, 3x + 7y ? 210
B. x + y ? 84, 3x + 7y ? 210, 
, 
C. 0 ? x ? 84, 0 ? y ? 84, 7x + 3y ? 210
D. x + y ? 84, 7x + 3y ? 210, 
, 
Write the number as an improper fraction.14
A. 
B. 168
C. 
D. 26
Write the augmented matrix for the system of linear equations.
A. 
?
B.
?
C.
?
D.
?
E.
