Find the cofactor of the indicated element of the matrix shown.a22;
A. -5
B. -7
C. 5
D. 7
Answer: B
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Solve.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $135 for 3 days and 300 miles, while Mary was charged $241 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
A. $16 per day, 29¢ per mile B. $28 per day, 17¢ per mile C. $30 per day, 17¢ per mile D. $29 per day, 16¢ per mile
Write < or > between the pair of numbers to make the statement true.0 9
A. < B. >
Find the exponential function that satisfies the given conditions.Initial population = 30,431, increasing at a rate of 2.9% per year
A. P(t) = 30,431 ? 0.029t B. P(t) = 30,431 ? 2.9t C. P(t) = 2.9 ? 30,431t D. P(t) = 30,431 ? 1.029t
Solve the problem.The elk population in a certain region is given by the function 
where the time t is measured in years. What is the largest number of elk present in the region at any time?
A. 1340 elk B. 130 elk C. 1470 elk D. 1210 elk