Add as indicated.(-7 + 4x3 + 4x5 + 2x4) + (3x4 - 6x3 - 6 + 3x5)
A. 7x5 + 5x4 - 2x3 - 13
B. -4x5 - 4x4 - 2x3 + 5
C. 10x24 - 13
D. 7x10 + 5x8 - 2x6 - 13
Answer: A
Mathematics
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Solve.How many feet are represented by a 
in. line if it is drawn to a scale of 
in. = 1 ft?
Fill in the blank(s) with the appropriate word(s).
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Translate the sentence to an equation.The quotient of r and 10 equals 
.
A. 
= 
B. 
= 4
C. r = 
D. 
= 
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Solve the equation.12n2 + 90n = 0
A. 
B. 
C. 
D. {0}
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The area under a normal curve between the scores for 
and 
is ______.
A. 0.3023 B. 0.7884 C. 0.1838 D. 0.4861
Mathematics