Provide an appropriate response.For a certain system of two linear equations, the values of the determinants used in Cramer's rule are 
and 
What is the solution set of the system?
A. 
B. 
C. {(2, -8)}
D. 
Answer: D
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Provide an appropriate response.For the students at one college the expected value for "number of siblings" is 1. Which of the following statements is a reasonable conclusion?
A. If a student is selected at random, the most likely number of siblings for the student is 1. B. If a student selected at random has 2 siblings, the next student selected will have no siblings. C. If 4 students are selected at random, the average number of siblings for the 4 students will be 1. D. If 100 students are selected at random, the average number of siblings for the 100 students will be close to 1.
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.0; d = 12.1 B. w = 8.0; d = 13.1 C. w = 8.0; d = 11.1 D. w = 6.0; d = 13.1
Graph the inequality.x ? 2 
A. 
B. 
C. 
D. 
Write the slope-intercept form of the equation for the line passing through the given pair of points.(9, 0) and (3, 5)
A. y = 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = 
x + 