Factor completely, or state that the polynomial is prime.3x2 - 27
A. 3(x - 3)2
B. prime
C. 3(x + 3)(x - 3)
D. 3(x + 3)2
Answer: C
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Solve.The cost of renting a certain type of car is $45 per day plus $0.08 per mile. A linear function that expresses the cost C of renting a car for one day as a function of the number of miles driven x is 
How many miles were driven if the rental cost for one day is $65.00?
A. 288 miles B. 813 miles C. 236 miles D. 250 miles
Solve.The number of farms in a certain state has declined continually since 1950. In 1950, there were 91,386 farms and in 1995 that number had decreased to 29,065. Assuming the number of farms decreased according to the exponential model, find the value of k and write an exponential function that describes the number of farms after time t, in years, where t is the number of years since 1950.
A. k = -0.029 ; P(t) = P0e-0.029t B. k = -0.024 ; P(t) = P0e-0.024t C. k = -0.025 ; P(t) = P0e-0.025t D. k = -0.027 ; P(t) = P0e-0.027t
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $10 per pound and chocolate covered cashews for $13 per pound. The manager wishes to mix 30 pounds of the cashews to get a 
mixture that will sell for $12 per pound. How many pounds of peanuts should be used?
A. 15 lb B. 22.5 lb C. 45 lb D. 7.5 lb
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 