Translate the phrase to an algebraic expression.six times the quantity x minus y
A. 6 - (x - y)
B. 6x - y
C. 6 + (x - y)
D. 6(x - y)
Answer: D
Mathematics
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Determine whether the integration formula is correct. 
dx = 6 ln x - 3 ln (1 + x2) - 
+ C
A. No B. Yes
Mathematics
Translate the problem to a system of equations, then solve using matrices.Mardi received an inheritance of $40,000. She invested part at 7% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $3000. Find the amount invested at 7%.
A. $30,000 B. $15,000 C. $37,000 D. $29,000
Mathematics
Find the reciprocal.9x
A. 
B. -9x
C. 
D. 
Mathematics
Find the range for the set of data given.
A. 138 B. 117 C. 519 D. 551
Mathematics