Solve the problem.The number of births in County A has been increasing in recent years. Use the information given in the bar graph for the years 1960 and 1990, letting x = 0 represent the year 1960 and letting y represent the number of births. Use the graph to estimate the number of births in 1970.
A. 1900
B. 1825
C. 1850
D. 1950
Answer: A
Mathematics
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.56 ? 5-7
A. -5
B. 1.220703125e+09
C. - 
D. 
Mathematics
Solve the problem.A rose garden has 21 bushes in one row, 17 bushes in the next row, then 13, and so on. If there are 66 bushes in the garden, how many rows are planted?
A. 7 rows B. 6 rows C. 4 rows D. 5 rows
Mathematics
Solve the problem.Find the annual percentage yield if the interest rate is 7.0% and interest is compounded quarterly.
A. 7.44% B. 7.19% C. 7.69% D. 6.94%
Mathematics
Factor the trinomial completely.20x2 + 6x - 2
A. (x + 2)(20x - 1) B. (4x + 2)(5x - 1) C. (4x - 2)(5x + 1) D. (5x + 2)(4x - 1)
Mathematics