Evaluate the expression.
A. 
B. -1
C. -6
D. - 
Answer: B
You might also like to view...
Find the domain of f.f(x) = 
A. 
B. 
C. 
D. 
Find the LCM.216mn and 108m
A. 1728mn B. 216m2n C. 12mn D. 216mn
Solve the system of nonlinear equations using the method of elimination.
A. (4, 1), (4, -3), (3, 1 + 
), (3, 1 - 
)
B. (4, 1), (4, -3), (3, -1 + 
), (3, -1 - 
)
C. (4, -1), (4, 3), (3, 1 + 
), (3, 1 - 
)
D. (4, 1), (4, -3), (-3, 1 + 
), (-3, 1 - 
)
Solve the problem.Three different high schools plan to order the same three text books. School A plans to order 90 of book 1, 20 of book 2, 80 of book 3. School B plans to order 60 of book 1, 20 of book 2, 20 of book 3. School C plans to order 80 of book 1, 100 of book 2, 70 of book 3. The cost of book 1 is $15 per copy, the cost of book 2 is $20 per copy, and the cost of book 3 is $25 per copy. What matrix product displays the cost to each school of buying the textbooks? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 