Write the inequality in interval notation.{x |-2 < x ? 0}
A. (-2, 0]
B. [-2, 0]
C. [-2, 0)
D. (-?, 0]
Answer: A
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Provide an appropriate response.Simplify: 
A. 3 B. 1 C. -3 D. 0
Translate to a system of three equations, then solve.A company sells nuts in bulk quantities. When bought in bulk, peanuts sell for $1.20 per pound, almonds for $2.65 per pound, and cashews for $3.50 per pound. Suppose a specialty shop wants a mixture of 400 pounds that will cost $2.93 per pound. Find the number of pounds of each type of nut if the sum of the number of pounds of almonds and cashews is four times the number of pounds of peanuts. Round your answers to the nearest pound.
A. Peanuts: 270 lb., almonds: 80 lb., cashews: 50 lb. B. Peanuts: 80 lb., almonds: 50 lb., cashews: 270 lb. C. Peanuts: 90 lb., almonds: 50 lb., cashews: 260 lb. D. Peanuts: 50 lb., almonds: 270 lb., cashews: 80 lb.
Divide.
A. x2 + 6x + 4
B. x2 + 6x + 
C. x2 + 6
D. x2 + 6 + 
Solve the problem.The table shows the number of new cases (in thousands) of a certain disease diagnosed in a country in various years. 
Let f(t) be the number of new cases (in thousands) of the disease diagnosed at t years since 2010. Use a quadratic model to predict the number of new cases of the disease that will be diagnosed in the year 2025. (First find a quadratic equation for f in vertex form by using the data for the years 2013 and 2017).
A. 139,400 B. 96,900 C. 71,700 D. 129,300