Write the first four terms of the sequence.{(-3)n}
A. -3, -9, -27, -81
B. 3, -9, -27, -81
C. 3, -9, 27, -81
D. -3, 9, -27, 81
Answer: D
Mathematics
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Find v ? u.v = 7i - 4j and u = -9
i + 9j
A. -36
+ 63
B. (7 - 9
)i + 5j
C. -36
i - 63j
D. -36 - 63
Mathematics
Answer the question(s) based on the following situation: For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 610 and standard deviation ? = 60.The third quartile of the scores on the exam is approximately
A. 650. B. 670. C. 640. D. 630. E. none of these
Mathematics
Use the figure below. Determine whether the given statement is true or false. 
G + H = F
A. True B. False
Mathematics
Simplify using the order of operations.83 - [8 + 5
] + 23 - 8
A. 453 B. 499 C. 509 D. 529
Mathematics