Solve for the variable.x - 15 = 18
A. -3
B. -33
C. 33
D. 3
Answer: C
Mathematics
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Find the sum of the finite geometric series.The first 6 terms of the series whose terms are an = 2
n
A. S6 = 1.3125 B. S6 = 58.96875 C. S6 = 3.9375 D. S6 = 1.96875
Mathematics
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46
Mathematics
Evaluate the expression, if possible.
A. 13 B. 28,561 C. 26 D. not a real number
Mathematics
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cot ? = 
, ? < ? < 
Find tan 2?.
A. 
B. 
C. - 
D. - 
Mathematics