Evaluate the expression for the given value or values.xy, for x = -5, y = 8
A. 40
B. - 
C. 
D. -40
Answer: D
Mathematics
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Solve the equation.-9 = b - 12
A. {-21} B. {3} C. {-3} D. {21}
Mathematics
Determine whether the given ordered pair is a solution of the system.(3, 6)3x + y = 154x + 3y = 30
A. solution B. not a solution
Mathematics
Solve the problem.Tim needs to apply 2
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 388 acres?
A. 194
gallons
B. 196 gallons
C. 155
gallons
D. 970 gallons
Mathematics
Use the Table of Integrals to evaluate the integral. 
What will be an ideal response?
Mathematics