Tell which brand or which size is the better buy.Brand X: 6 oz for $2.04 Brand Y: 4 oz for $1.28
A. Equal value
B. Brand X
C. Not enough information
D. Brand Y
Answer: D
Mathematics
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Change the number 
to base ten.
?
A. 519 B. 239 C. 2,856 D. 231 E. 400
Mathematics
Determine the local extrema of the function.f(x, y) = x2 - y2
A. None B. f(0, 0) = 0, minimum C. f(1, 1) = 0, maximum D. f(0, 0) = 0, maximum
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-7x + 9y = -14 3x - 6y = 6
A. (2, 1) B. (1, 1) C. (2, 0) D. No solution
Mathematics
Solve the exponential equation. Leave the answer in exact form. Do not approximate.5x + 8 = 4
A. x = 
+ log 8
B. x = 
C. x = 
D. x = log 4 - log 5 - log 8
Mathematics