Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. How long will it take for the population of a certain country to double if its annual growth rate is 2.1%? Round to the nearest year.
A. 14 yr
B. 33 yr
C. 95 yr
D. 1 yr
Answer: B
Mathematics
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Find the indicated intersection or union.{q, s, u, v, w, x} ? ?
A. {q, s, u, v, w, x} B. {q} C. ? D. {q, s, u, v, w}
Mathematics
Write the logarithmic equation in exponential form.log39 = 2
A. 39 = 2 B. 23 = 9 C. 92 = 3 D. 32 = 9
Mathematics
A deck of cards contains 52 cards. These cards consist of four suits - hearts, spades, clubs, and diamonds. Each suit contains one of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. Assume that one card is selected at random from a well-shuffled deck of cards.Find the probability that the card is a queen
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
A. {5} B. {-5} C. {-11} D. {11}
Mathematics