Determine the sign of the trigonometric function.cos(-948°)
A. Positive
B. Negative
Answer: B
Mathematics
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Solve the equation by using the quadratic formula. Give only real number solutions.3x2 + 12x = - 2
A. 
B. 
C. 
D. 
Mathematics
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The range on the exam is
A. 7. B. 10. C. 9. D. 8. E. none of these
Mathematics
Approximate to three decimal places.
A. 14.697 B. 14.696 C. 14.698 D. 14.687
Mathematics
Write the first four terms of the arithmetic sequence with the given characteristics.a1 = 23, d = 3
A. 23, 26, 29, 35 B. 23, 52, 78, 104 C. 23, 26, 29, 32 D. 3, 23, 26, 29
Mathematics