Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: D
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Complete.1.28 metric tons = ____ Kg
A. 128 B. 1280 C. 12.88 D. 12800
Find the mean. Round to the nearest tenth when necessary.Lucinda and Kristen traveled to the West Coast during the summer. The number of miles they drove and the number of gallons of gas they used are recorded in the following chart. Find the average miles per gallon by dividing the total number of miles driven by the total number of gallons of gas used. 
A. 28.1 mi/gal B. 22.9 mi/gal C. 17.2 mi/gal D. 30 mi/gal
Decide whether or not the equation defines y as a function of x.y = 2x2 + 2x - 1
A. Yes B. No
Solve the problem.Write an expression for the area of the shaded region and express it in factored form.
A. (y + 7)2 B. y2 + 49 C. (y + 7)(y - 7) D. (y - 7)2