Simplify the exponential expression.(-8x5y)(-3x3y6)
A. -11x8y6
B. 24x15y6
C. 24x8y7
D. -24x8y6
Answer: C
Mathematics
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Perform the matrix row operation and write the new matrix.
R1
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line.
A. -6 B. 6 C. 1 D. -1
Mathematics
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $14 per pound. The manager wishes to mix 100 pounds of the $14 coffee to get a mixture that will sell for $8 per pound. How many pounds of the $6 coffee should be used?
A. 150 lb B. 300 lb C. 400 lb D. 200 lb
Mathematics
Solve the equation and check your solution.
+ 
= 
A. a = - 
B. a = 8
C. a = -8
D. a = -4
Mathematics