Find the matrix product when possible.[ -5 -5 3] 
A. 
B. 
C.
[-67 -11 -86]
D. 
Answer: C
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Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = 5ti + 5tj + 7t2k, 0 ? t ? 1; ?(x, y, z) = 
A. 
B. 
C. 
D. 
Solve the problem.The demand for a rooftop-mounted industrial air conditioner is given by the demand function D(x) = 
where x is the number of units produced each day and D(x) is the number sold each day. Assume that x is an integer. What is the domain of the demand function from a purely mathematical point of view?
A. All integers B. All integers other than -3 or 0 C. All integers other than 3 or 0 D. All integers greater than 0
Find the general term of the arithmetic sequence then find the indicated term of the sequence. Assume that the domain of the sequence is all natural numbers.Find an and a35.
A. an = n + 2; a35 = 37 B. an = n + 1; a35 = 36 C. an = n - 3; a35 = 32 D. an = 3 - n; a35 = -32
Rewrite the given expression using an appropriate variable. Use the first letter of the given word as the variable.(Parts) ÷ 14
A. 14 ÷ P B. P + 14 C. P ? 14 D. P ÷ 14