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. There are currently 54 million cars in a certain country, increasing by 3.3% annually. How many years will it take for this country to have 82 million cars? Round to the nearest year.
A. 13 yr
B. 8 yr
C. 101 yr
D. 4 yr
Answer: A
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Factor out the GCF from the polynomial.54x9y9+ 18x3y5 + 27x5y2
A. 9(6x9y9 + 2x3y5 + 3x5y2) B. 9x3y2(6x6y7 + 2y3 + 3x2) C. x3y2(54x6y7 + 18y3 + 27x2) D. 9x3(6x6y9 + 2y5 + 3x2y2)
The height (in feet) of a certain kind of tree is approximated by 
where t is the age of the tree in years. Estimate the age of a 70-ft tree. Round your answer to the nearest hundredth.
?
__________ years
Fill in the blank(s) with the appropriate word(s).
Graph the linear equation and determine its slope, if it exists.2x - 5y = 20
A. slope = - 
B. slope = - 
C. slope = 
D. slope = 
Solve the problem.The polynomial function H(x) = - 0.001183 x4 + 0.05495 x3 - 0.8523x2 + 9.054 x + 6.748models the age in human years, H(x), of a dog that is x years old, where x ? 1. Using the graph of this function shown below, what is the approximately equivalent dog age for a person who is 60?
A. 8.5 years B. 11 years C. 12.5 years D. 9 years