The host of a TV infomercial says that the suggested retail price of a rotisserie grill is $68.00 and that it is now offered "for just 4 easy payments of only $10.20." What is the discount rate?__________ %
Fill in the blank(s) with the appropriate word(s).
40
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Simplify the radical.
A. -3 B. -15 C. 3 D. 15
Provide an appropriate response.If the graphs of a system of two equations are a circle and a parabola, what are the possible numbers of solutions with real coordinates of this system?
Fill in the blank(s) with the appropriate word(s).
Find the value of the determinant.
A. -8 B. 7 C. 8 D. 4
Solve the problem.If a population is changed by either immigration or emigration, a model for the population is 
where y is the population at time t and f(t) is some function of t that describes the net effect of the emigration/immigration. Assume that k = 0.02 and y(0) = 10,000. Solve this differential equation for y, given that 
A. y = 250t + 12,500 + 22,500e-0.02t B. y = -250t - 12,500 + 22,500e0.02t C. y = 250t - 12,500 + 22,500e-0.02t D. y = -250t - 12,500 + 22,500e-0.02t