Evaluate the algebraic expression for the given values of the variables.2x2 + 10y for x = 7 and y = 8
A. 944
B. 276
C. 198
D. 178
Answer: D
Mathematics
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Find the percentage of data items in a normal distribution that lie between the given z-scores.z = 0.7 and z = 1.4
A. 16.12% B. 75.8% C. 24.2% D. 91.92%
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Find the partial fraction decomposition for the rational expression.
A. 
- 
B. 
+ 
C. 
+ 
D. 
- 
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Solve by elimination.2x + 2y = 204x - 
y = 
A. (4, 6) B. No solution C. (-3, 6) D. (3, 7)
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Estimate the annual percentage rate for the add-on loan using the given number of payments and annual interest rate. Use the formula APR ? 
.n=60; r =6.8%
A. 13.6% B. 6.4% C. 6.8% D. 13.38%
Mathematics