Solve. Remember to insert units when writing your answer.Alex normally weighs 108 kilograms, but he lost 2700 grams after being sick. Find Alex's new weight.
A. 105.3 kg
B. 107.73 kg
C. 110.7 kg
D. 81 kg
Answer: A
Mathematics
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. - 
?
B. - 
?
C. - 
?
D. -(1 + 2
) ?
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Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 160 feet and a maximum height of 40 feet. Find the height of the arch at 10 feet from its center.
A. 5 ft B. 39.4 ft C. 2.5 ft D. 0.2 ft
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Solve the system of equations by Gaussian elimination.
A. {(-1, -3, -4)} B. {(-3, -4, -1)} C. {(-1, -4, -3)} D. ?
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Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
(- 
)
A. 8
B. - 1
C. 2
D. - 
Mathematics