Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.a + ar + ar2 + . . . + ar13
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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If the diagonals of a quadrilateral are perpendicular, the quadrilateral must be a square.
Answer the following statement true (T) or false (F)
Mathematics
Use the square root property to solve the quadratic equation.2y2 - 8y + 3 = 0
A. -2 ± 
B. 2 ± 
C. -2 ± 
D. 2 ± 
Mathematics
Find the similitude that takes ?ABC to ?RST. Justify your conclusions.
Mathematics
Evaluate the expression.(99)
A. 362,880 B. 0 C. 2 D. 1
Mathematics