Solve.4x + 2y - 3z = 82x + 4y + z = 366x + 2y - 2z = 18
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Express the percentage as a decimal.4.25%
A. 0.00425 B. 42.5 C. 425.0 D. 0.000425 E. 0.0425
Mathematics
Divide. Simplify, if possible.5
÷ 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer, if appropriate.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 ,where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule with n = 2.
A. 5.11 feet B. 3.68 feet C. 2.34 feet D. 3.41 feet
Mathematics
Use formulas or numerical integration with a graphing calculator or computer to evaluate the given definite integral. Round answer to three decimal places.
?
?
A. 1.905 B. 2.858 C. 4.858 D. 8.001 E. 9.716
Mathematics