Simplify.2(3x + 6y - 5z + 4)
A. 6x + 12y - 10z + 8
B. 5x + 8y - 3z + 6
C. 6x - 12y - 10z - 8
D. -6x + 12y + 10z + 8
Answer: A
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Take west to be the positive direction. The height of a sloped roof above the place you are standing is 13 feet. If you move 5 feet to the west, the height is 7 feet. What is the slope of the roof line? ?
A. -1.20 feet B. 1.20 feet C. -0.63 feet D. 1.61 feet
Use set-builder notation to write the set.{-5, -4, -3, -2, -1, 0, 1, 2, 3, 4}
A. {x 
is a whole number between, but not including, -6 and 5}
B. {x 
is an integer between, but not including, -6 and 5}
C. {x 
is an integer between, but not including, -5 and 4}
D. {x 
is a whole number between, but not including, -5 and 4}
Use a calculator to determine if the statement is true or false.6 | 2,000,070
A. True B. False
Provide an appropriate response.The square root of the 
is the standard deviation.
Fill in the blank(s) with the appropriate word(s).