Solve the problem. Write the answer in lowest terms.Mr. Howard installed 
-inch roofing shingles on top of a 
thick tar paper. What was the combined thickness of the two layers of materials?
A. 
inch
B. 
inch
C. 
inch
D. 
inch
Answer: C
Mathematics
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Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = 4ti + 8tj + 7t2k, 0 ? t ? 1; ?(x, y, z) = 
A. 
B. 
C. 
D. 
Mathematics
Find all values that make the expression undefined.
A. -2, -8 B. 7, -7 C. 0 D. 2, 8
Mathematics
Solve the equation.logx1024 = 5
A. {4} B. {5, -5} C. {4, -4} D. {5}
Mathematics
Identify the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics