Simplify the expression.-2.3p + 5.8 - (8p + 0.4) + 5.8p

A. 11.5p + 5.4
B. -4.5p + 5.4
C. -4.5p + 6.2
D. 11.5p + 6.2


Answer: B

Mathematics

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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.

A. 7717 gal B. 8475 gal C. 8483 gal D. 9600 gal

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Convert the given unit of measure to the measure shown.806 milligrams to kilograms

A. 0.0806 kilogram B. 80,600 kilograms C. 806,000 kilograms D. 0.000806 kilogram

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Evaluate the expression for the given value or values., for y = -18, z = -9

A. -2
B.
C. - 
D. 2

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Solve using both the addition and multiplication properties of equality.- x + 2x = x + 

A. x = 
B. x = 6
C. x = 0
D. x = - 

Mathematics