Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x1 ? 0 and x2 ? 0 such that 5x1 + 10x2 ? 12210x1 + 15x2 ? 139and z = 2x1 + 5x2 is maximized. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Tim needs to apply 1
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 400 acres?
A. 266
gal
B. 600 gal
C. 100
gal
D. 102 gal
Mathematics
Find an equation for the described linear function.Through (0, -9) and parallel to 
A. y = -4x - 9
B. y = 
x - 9
C. y = 4x - 9
D. y = -4x + 9
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.An annuity can be described as a series of equal periodic payments deposited in an interest bearing account for a specific number of periods.
A. True B. False
Mathematics