Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.14
+ 
A. 21
B. 20
C. 6
D. 6
Answer: D
Mathematics
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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
Mathematics
Solve.A pile of sand is cone-shaped. If the radius of the base is 8 feet and the altitude is 9 feet 6 inches, how many cubic feet of sand is in the pile? Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the equation.x = 1
A. 
B. 
C. 
D. 
Mathematics
Graph the two functions on one coordinate plane.f(x) = 
g(x) = 
+ 1
A. 
B. 
C. 
D. 
Mathematics