Write the English phrase as an algebraic expression, then simplify the expression. Let x represent the number.seven times the sum of 5 and a number.
A. 7(x + 5); 7x + 5
B. 7(x + 5); 7x + 35
C. 7(5x); 35x
D. 7(x - 5); 7x - 35
Answer: B
Mathematics
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A. 29,158 people B. 26,381 people C. 29,085 people D. 26,315 people
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Provide an appropriate response.Find the slope of a line parallel to the line containing the points (-5, 6) and (-7, -10).
A. 8
B. - 
C. - 8
D. 
Mathematics
Find a nonzero vector orthogonal to the plane through the points P, Q, and R.
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Find the future value of the ordinary annuity. Interest is compounded annually, unless otherwise indicated.R = $900, i = 9% interest compounded semiannually for 
A. $28,234.28 B. $26,157.21 C. $21,718.93 D. $48,234.28
Mathematics