Simplify. Assume that no denominator is zero.(52)-6
A. 512
B. -6 ? 52
C. 
D. 5-4
Answer: C
Mathematics
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Solve the problem.The square photo is x inches by x inches and is bordered by a matting that is 1 inch wide. Write the polynomial that calculates the area of the entire framed picture. 
A. (2x + 1) in.2 B. (x2 + 2x + 1) in.2 C. (x2 + 1) in.2 D. (x2 + 2x) in.2
Mathematics
Simplify.
- 
+ 4
A. 
B. 
C. 
D. 
Mathematics
Use regression to find a quadratic function that best fits the data. Give results to the nearest hundredth.
A. f(x) = 0.05x2 + 13.25x + 790.18 B. f(x) = 0.15x2 - 38.67x + 891.67 C. f(x) = 0.05x2 - 13.25x + 790.18 D. f(x) = 0.15x2 + 38.67x + 891.67
Mathematics
Use a graphing utility to find the inverse of the matrix, if it exists. Round answers to two decimal places, if necessary.
A. 
B. 
C. 
D. 
Mathematics