Provide an appropriate response. Scores on a test are normally distributed. Which of the following statements is (are) plausible? A: Margo's score was in the 90th percentile and she got a C B: Helena's score was in the 40th percentile and she got an A C: Monica's score was in the 5th percentile and she failed D: Gale's score was in the 70th percentile and she got a D
A. C only
B. A and B
C. C and D
D. B and C
E. D only
Answer: A
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 0.20
B. 
C. 
D. 
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Find h(x,y) = g(f(x,y)), if g(t) = t² +?t and f(x,y) = 7x + 6y - 6.
What will be an ideal response?
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Use technology to calculate det A.A = 
A. -61 B. -151 C. 61 D. 271
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Solve.
- 
= 2
A. 23 B. 11 C. 97 D. 73
Mathematics