Find the standard form of the equation of a circle that satisfies the given conditions.Center (18, 17); touching the y-axis
A. (x - 18)2 + (y - 17)2 = 324
B. (x - 18)2 + (y - 17)2 = 18
C. (x - 17)2 + (y - 18)2 = 324
D. (x - 17)2 + (y - 18)2 = 18
Answer: A
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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 triple if its annual growth rate is 5.7%? Round to the nearest year.
A. 19 yr B. 8 yr C. 53 yr D. 1 yr
Factor the trinomial completely.18x2 + 81x - 45
A. (2x - 1)(9x + 45) B. 9(2x - 1)(x + 5) C. 9(2x + 1)(x - 5) D. (18x - 9)(x + 5)
Determine whether the following expression is a polynomial of one variable.
?
?
A. yes B. no
Write the logarithmic equation in exponential form.ln 
= -4
A. e-4 = 
B. 
-4 = e
C. -4e = 
D. 
e = -4