Find the partial sum of the arithmetic sequence with the given first term and common difference.s5, a1 = 2, d = 1
A. 10
B. 2
C. 20
D. 7
Answer: C
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (-4, ?) B. (-?, -4) C. (4, ?) D. (-?, 4)
Mathematics
Provide an appropriate response.Return on Investment is used:
A. expressed as a percentage or ratio B. one of the most important tools for measuring the performance of an investment C. to evaluate the efficiency of an investment D. all of these apply to ROI
Mathematics
Determine the two equations necessary to graph the ellipse with a graphing calculator.
+ 
= 1
A. y = 
and y =- 
B. x = 
and x = -
C. y = 
and y = - 
D. x = 
and x = - 
Mathematics
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics