Solve the problem.The number of births in County A has been increasing in recent years. Use the information given on the bar graph for the years 1960 and 1990, letting 
represent the year 1960 and letting y represent the number of births.
A. y = 
x + 
B. y = 
x + 1693
C. y = 
x - 2190
D. y = 
x + 1693
Answer: D
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Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be negative?
What will be an ideal response?
Find the indicated unit price.A case of 36 bottles of IceMan water costs $5.04, while a case of 40 bottles of Big Mountain water costs 
. Find the unit prices and compare them to determine which is the better deal. Round to two decimal places.
A. IceMan: $5.04 per bottle; Big Mountain: $6.40 per bottle. IceMan water is the better deal. B. IceMan: $0.16 per bottle; Big Mountain: $0.14 per bottle. Big Mountain water is the better deal. C. IceMan: $0.14 per bottle; Big Mountain: $0.16 per bottle. IceMan water is the better deal. D. IceMan: $0.14 per bottle; Big Mountain: $0.11 per bottle. Big Mountain water is the better deal.
Solve the problem.A wire of length 8x is bent into the shape of a square. Express the area A of the square as a function of x.
A. A(x) = 
x2
B. A(x) = 2x2
C. A(x) = 4x2
D. A(x) = 8x2
Solve: y?? + 9y? + 20y = 0 .
What will be an ideal response?