Find the mean for the sequence of numbers.6, 8, 10, 12, 14, 16, 18
A. 14
B. 26
C. 12
D. 13
Answer: C
Mathematics
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Find the foci of the hyperbola.4y2 - 25x2 = 100
A. (0, 
), (0, -
)
B. (
, 0), (-
, 0)
C. (0, 
), (0, -
)
D. (
, 0), (-
, 0)
Mathematics
Decide whether the figure is convex or not convex.
A. Not convex B. Convex
Mathematics
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If $30 is deposited every four weeks into an account paying 4% interest, approximate the amount in the account after 19 years.
A. $23,985.00 B. $11,073.88 C. $369.13 D. $5195.59
Mathematics
Match the equation with the correct graph.(x + 6)2 + (y - 4)2 = 4
A. 
B. 
C. 
D. 
Mathematics