Use a graphing utility to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.
A. 10
B. -18
C. -66
D. -255
Answer: C
Mathematics
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Tell whether the angle is acute, right, obtuse, or straight.
A. Right B. Acute C. Straight D. Obtuse
Mathematics
Solve the problem.Walt made an extra $9000 last year from a part-time job. He invested part of the money at 10% and the rest at 7%. He made a total of $780 in interest. How much was invested at 7%?
A. $5000 B. $7000 C. $4500 D. $4000
Mathematics
Multiply.
A. q2 + 1
B. q2 + 
q + 1
C. 2q2 + 
q + 1
D. q2 + 
q + 1
Mathematics
Solve.Multiply: (2 + 
)(1 - 
)
A. 14 + 2i B. 14 - 2i C. No solution D. 2 - 14i
Mathematics