A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.A = ?r2; r = 3, ? = 3.14
A. A = 29.58
B. A = 28.26
C. A = 9.42
D. A = 6.14
Answer: B
Mathematics
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Solve the problem.The ellipse 
+ 
= 1 is shifted horizontally and vertically to obtain the ellipse
+ 
= 1.Find the foci of the new ellipse.
A. (5, -14), (5, 18) B. (-14, 5), (18, 5) C. (-10, 5), (14, 5) D. (5, -10), (5, 14)
Mathematics
Simplify.
A. -2x3
B. -2x
C. -4x
D. -2
Mathematics
Use the graph of f to draw the graph of its inverse function.
A. 
B. 
Mathematics
Solve the problem. Round to the nearest cent.Sandra deposits $3000 at the end of each semiannual period for 15 years at 6% interest compounded semiannually. Find the final amount she will have on deposit.
A. $142,726.25 B. $74,017.58 C. $132,656.55 D. $139,726.25
Mathematics