Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.The sum of four times a number and 8 is equal to the difference of twice the number and 10. Find the number.
A. 4(x + 8) = 2x - 10; - 21
B. 4x + 8 = 2x - 10; - 9
C. 4x + 8 = 2x + 10; 1
D. 4x + 8 = 2x - 10; 9
Answer: B
Mathematics
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Determine the measure of the interior angle at vertex A.
A. 108° B. 36° C. 72° D. 54°
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If possible, completely factor the expression.
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?
A. 
B. 
C. 
D. 
E. not factorable
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Simplify the fraction.
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A. 
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D. 
E. 
Mathematics