Solve the problem.The population of a small town is given by the table.
If the population is modeled by p(t) = at2 + b where t is in years and 
corresponds to the year 1960 and 
corresponds the year 1970, find a.
A. 20
B. 10
C. 24
D. 12
Answer: B
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Provide an appropriate response.Which of the following is associated with a 180° angle?
A. three-fourths of a rotation of a circle B. one-half of a rotation of a circle C. one-fourth of a rotation of a circle D. complete rotation of a circle
Solve.A truck rental company rents a moving truck one day by charging $39 plus $0.11 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is driven 190 miles?
A. C = 0.11x + 39; $59.90 B. C = 0.11x + 39; $41.09 C. C = 0.11x - 39; $18.10 D. C = 39x + 0.11; $7410.11
Provide an appropriate response.True or false? The equation -x2 = - 121 has no real solutions. If false, give the solution or solutions.
A. True B. False; 11 and -11 C. False; 11 D. False; -11
Translate the problem to a system of equations, then solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 82 inches. The sum of the two longer pieces is 70. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 6, 12, and 64 inches B. 12, 24, and 46 inches C. 12, 46, and 56 inches D. No solution