Determine if the given solution is correct. If it is not, find the solution.Is 14 the solution to -11 + x = 4?
A. no; x = -7
B. no; x = -15
C. no; x = 15
D. yes
Answer: C
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Find the center and radius of the circle by completing the square.x2 + y2 + 12x - 8y + 27 = 0
A. (4, -6); r = 5 B. (6, -4); r = 25 C. (-4, 6); r = 25 D. (-6, 4); r = 5
250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.A score of 95 corresponds to a standardized value of
A. 8.5. B. -2. C. 2. D. 20. E. none of these
If a customer perceives that an established firm's products meet his/her needs in a unique way, the firm has succeeded in establishing
A. economies of scale B. differentiation C. switching costs D. capital requirements
Determine if the ordered pair is a solution to the given system.
; (1.1, 0.9)
A. Yes B. No