Solve the problem.Find the total area of the shaded rectangles.
A. x2 + 6x + 8
B. x2 + 6
C. x2 + 8
D. x2 + 4x + 8
Answer: A
Mathematics
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Find the standard deviation of the data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below. Find the standard deviation. Round your result to the nearest ten cents. $190 $391 $307 $226 $311 $365 $357 $395
A. $353.00 B. $807,720.50 C. $75.60 D. $847,726.00
Mathematics
Multiply. Write the answer in lowest terms and as a whole or mixed number where possible.
? 308 ? 
A. 57
B. 48
C. 52
D. 52
Mathematics
Graph the function.
?
?
Select the correct answer.
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Graph.f(x) = -2x2 - 2x - 9
A. 
B. 
C. 
D. 
Mathematics