Solve the equation.
- 4 = x
A. {18}
B. {72}
C. {36}
D. {-18}
Answer: D
Mathematics
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Solve the problem.Evaluate 
at t = 3 for the function w(x, y, z) = exyz2; x = t, y = t, z = 
.
A. 0
B. 
C. - 
e
D. 
e
Mathematics
Simplify the exponential expression.
2
A. 
B. 
C. 
D. 
Mathematics
Answer the question.The following table gives the electricity usage in kilowatt-hours (kwh) for the Peters family for the first six months of 2001.
What is the average electricity usage for the months January through April?
A. 984.085 kwh B. 978.075 kwh C. 989.065 kwh D. 975.776 kwh
Mathematics
Use a graphing calculator to solve the equation.4x3 + x2 - 12x - 3 = 0(Give approximations rounded to the nearest hundredth.)
A. -4, 1.83, -1.83 B. -0.25, 1.73, -1.73 C. 4, 1.63, -1.63 D. 0.25, 1.73, -1.73
Mathematics