Simplify the expression. Write the result using positive exponents only.(x-1y3)-1
A. 
B. 
C. 
D. 
Answer: A
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Use elimination to solve the system, with coordinates of solutions rounded to the second decimal place. Verify your work by using "intersect" on a graphing calculator.y = 5.63x + 3.03y = -0.72x - 6.91
A. (-2.63, -5.21) B. (-1.36, -7.32) C. (-0.83, -4.25) D. (-1.57, -5.78)
Write in words, as on a check.$41.59
A. Forty-one and 
dollars
B. Forty-one and 
dollars
C. Forty-one and 
dollars
D. Forty-one and 
dollars
Use Cramer's rule to solve the system. x + y + z + w = 7 3x - 2z + 5w = 11-4x + 3y + w = 4 -x - y - z - w = 6
A. Can't use Cramer's rule, D = 0
B. 
C. 
D. 
Provide an appropriate response.Find the amount by which the interest compounded annually is larger than the simple interest. Round to the nearest cent.Principal: $830 Rate: 6% Years: 15
A. $349.35 B. $1242.14 C. $412.14 D. $495.14