Find v ? u.v = 5i - 3j and u = -8i - 7j
A. -3i - 10j
B. -40i + 21j
C. -61
D. -19
Answer: D
Mathematics
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Subtract. Write the answer in lowest terms as a mixed number.
A. 15
B. 14
C. 14
D. 13
Mathematics
Solve the problem.Corn, soybean, and wheat production this week decreased by 4.5% from last week. If the decrease amounted to 13,080 tons, what was the production last week? Round to the nearest tenth, if necessary.
A. 588.6 tons B. 58,860 tons C. 290,666.7 tons D. 29,066.7 tons
Mathematics
Use a Venn diagram to decide if the statement is true or false.A ? (B ? C)' = (A ? B') ? (A ? C') 
A. True B. False
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 
(x - 2)5 + 3 
A. 
B. 
C. 
D. 
Mathematics