Solve the problem.Assume that the situation described can be modeled by a straight line graph. Use the given information to find the y = mx + b form of the equation of the line. 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. Let x = 0 represent the year 1960 and y represent the number of births. 
A. y = 
x + 
B. y = 
x + 1693
C. y = 
x + 1693
D. y = 
x - 2190
Answer: C
Mathematics
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Solve the problem.The sides of a triangle are 7 inches, 8 inches, and 9 inches. If the shortest side of a similar triangle is 42 inches, find its longest side.
A. 8 in. B. 48 in. C. 54 in. D. 47 in.
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Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius 165 km. Determine an equation for the ellipse, where x and y are measured in km, if the distance of the satellite from the surface of the moon varies from 238 km to 322 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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Find the number of subsets of the set.{x | x is an even number between 17 and 37}
A. 4 B. 16 C. 36 D. 1024
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Find the product.
?
?
A. ?
B. ?
C. 
D. 
E. ?
Mathematics