Solve for the indicated variable.d = rt for t
A. t = 
B. t = d - r
C. t = dr
D. t = 
Answer: D
Mathematics
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Provide an appropriate response.Write 
as a mixed number.
A. 9
B. 2
C. 2
D. 1
E. none of the above
Mathematics
Solve the problem.The table contains data that can be modeled by an exponential function of the form 
Use regression to determine an exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (1.63)(1.78)x B. f(x) = (1.32)(5.97)x C. f(x) = (5.97)(1.32)x D. f(x) = (1.78)(1.63)x
Mathematics
Factor the trinomial completely.p2 - 9pq + 81q2
A. (p - 9q)2 B. (p + 9q)(p - 9q) C. (p + 9q)2 D. prime
Mathematics
Subtract and, if possible, simplify.
x - 
x
A. 
x
B. 
x
C. 
x
D. 
x
Mathematics