Solve by elimination and check.x + y = -8x - y = 4
A. (2, -5)
B. (-3, -5)
C. No solution
D. (-2, -6)
Answer: D
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Evaluate the expression using the given value of the variables.
h(b + B); h = 7, b = 10, B = 11
A. 
B. - 
C. 147
D. 70
Solve the equation by factoring.y2 + 3y = 4
A. {4, 1} B. {-4, 1} C. {-4, -1} D. {-1, 4}
Answer the question.How can the graph of f(x) = (x - 7)2 - 8 be obtained from the graph of y = x2?
A. Shift it 7 units horizontally to the left. Shift it vertically 8 units upward. B. Shift it 8 units horizontally to the right. Shift it vertically 7 units downward. C. Shift it 7 units horizontally to the right. Shift it vertically 8 units downward. D. Shift it 7 units horizontally to the left. Shift it vertically 8 units downward.
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217