Use a graphing utility to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.-2 - 4 - 8 - 16 - 32 - ... - 2 ? 210
A. -4094
B. -4114
C. -4092
D. -4057
Answer: A
Mathematics
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Solve the problem.In a complete graph with n vertices there is a total of
A. 
n(n + 1) edges.
B. 
n(n - 1) edges.
C. n(n - 1) edges.
D. n(n + 1) edges.
E. none of these
Mathematics
Factor the trinomial.36 + 13x + x2
A. (x - 4)(x - 9) B. (x - 4)(x + 9) C. (x + 36)(x + 1) D. (x + 4)(x + 9)
Mathematics
Write the expression with positive exponents, and simplify if possible.(-2)-4
A. 16
B. - 
C. -16
D. 
Mathematics
The argument has a true conclusion. Identify the argument as valid or invalid.Rational numbers are real numbers.
Integers are real numbers.
A. Valid B. Invalid
Mathematics