Multiply.
A. 54k2 - 
kj - 
j2
B. 54k2 - 
kj - 
j2
C. 54k2 + 
kj - 
j2
D. 54k2 + 
kj - 
j2
Answer: B
Mathematics
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Simplify the expression by rationalizing the denominator.
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.4x - 0.5y - 5.0z = 2.73.4x - 6.3y - 1.3z = -3.23.7x - 1.5y - 1.7z = 9.6
A. (14.8, 9.8, 1.0) B. (7.4, 4.9, 0.5) C. (3.7, 2.5, 0.3) D. (18.5, 12.3, 1.3)
Mathematics
Solve the equation.
= 2
A. {3} B. {9} C. {4} D. {5}
Mathematics
Solve the problem.An initial investment of $1000 is appreciated for 2 years in an account that earns 5% interest, compounded semiannually. Find the amount of money in the account at the end of the period.
A. $1102.50 B. $103.81 C. $1103.81 D. $1076.89
Mathematics