Solve. If the area of a square is represented by expression 
, find an expression for the length of each side.
A. (x + 3)2
B. x + 3
C. x - 3
D. (x - 3)2
Answer: C
Mathematics
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Write the number in standard notation.9.139 × 10-6
A. 0.000009139 B. 0.0000009139 C. 0.00009139 D. -9,139,000
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: -3, -6, -12, . . . .
A. - 93 B. -21 C. - 31 D. 93
Mathematics
Answer the question.A four dimensional simplex S4 has how many 2-faces?
A. 15 B. 4 C. 10 D. 5
Mathematics
Solve the equation.5(7 - 2x) = 5
A. {3} B. {4} C. {-3} D. {2}
Mathematics