Calculate 
.v = -5i + 2j
A. 
B. 
C. 29
D. 
Answer: B
Mathematics
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Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. A certain radioactive isotope decays at a rate of 0.2% annually. Determine the half-life of this isotope, to the nearest year.
A. 3 years B. 347 years C. 250 years D. 151 years
Mathematics
Which of the following graphs is the graph of the function?
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Mathematics
Factor the trinomial.9y2 - 18y + 8
A. (3y + 4)(3y + 2) B. (3y - 4)(3y - 2) C. (9y + 4)(y + 2) D. Cannot be factored
Mathematics
Factor the trinomial completely.3x3 + 12x2 - 36x
A. 3x(x - 6)(x + 2) B. 3x(x + 6)(x + 2) C. 3x(x - 6)(x - 2) D. 3x(x + 6)(x - 2)
Mathematics