Find the indicated vector.Let u = 
. Find 5u.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A researcher suspects that pesticides in foods cause cancer. Suggest some ways that she could go about establishing causality. Refer to the six guidelines for establishing causality. For each guideline suggest some research that should be pursued. Discuss any challenges that the researcher would face in establishing causality.
What will be an ideal response?
Mathematics
Combine like terms. Then write the polynomial in descending order of powers.-4z4 + 2z5
A. -2z9 B. 2z5 - 4z4 C. -2z4 D. -2z2
Mathematics
Use the matrix capabilities of a graphing utility to find AB, if possible.
A. 
B. 
C. 
D. 
E. not possible
Mathematics
Write the expression in lowest terms.
A. 18 B. 4k C. 18k2 D. 4k2
Mathematics