Use the order of operations to simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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At the outside wall the roof is 9 feet high. The slope of the roof is 1.28 feet per foot. What is the height of the roof 4 horizontal feet from the outside wall toward the interior of the room? ?
A. 15.06 feet B. 12.13 feet C. 12.44 feet D. 14.12 feet
Mathematics
Write two equivalent expressions for the opposite of the polynomial.-2x4 + 
x2 + 4x - 1
A. - 
, 2x4 + 
x2 + 4x - 1
B. - 
, -2x4 - 
x2 + 4x - 1
C. - 
, -2x4 - 
x2 - 4x - 1
D. - 
, 2x4 - 
x2 - 4x + 1
Mathematics
Perform the indicated division and find a simplified expression.A patio has an area of 2m3 + 13m2 + 8m - 45. Find the length if the width is 2m + 9.
A. m3 + 2m2 - 5m B. m2 - 2m + 5 C. m2 + 2m - 5 D. m2 + 11m - 5
Mathematics
Write the improper fraction as a mixed number or an integer.
A. 3
B. 1
C. 2
D. 2
Mathematics