Let u represent , v represent , and w represent . Solve first for u, v, and w. Then solve the system of equations. +  +  = - 

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A.
B. (-8, 5, 1)
C. (-8, 5, -1)
D.

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Answer: C

Mathematics

Provide an appropriate response.You are late for work. You have two options for getting to work. You may take the bus which takes on average 40 minutes with a standard deviation of 12 minutes. Or you can cycle which takes on average 50 minutes with a standard deviation of 2 minutes. Compare these two distributions.You leave your house at 8.20 am and are supposed to start work at 9.00 am. Which option would you choose if you will be fired if you are even a few minutes late? Which option would you choose if you know that up to 15 minutes late is OK but after that there is trouble? Explain your thinking.

What will be an ideal response?

Solve the application and answer with a complete sentence.A painter used 7 gallons of paint to paint the front of a house and another 7 gallons to paint the back. How much paint did he use in total?

A. He used 15 gallons of paint.
B. He used 14 gallons of paint.
C. He used 14 gallons of paint.
D. He used 13 gallons of paint.

Perform the indicated operation(s). Simplify if possible. - 

A.
B. 2
C.
D.

Perform the conversion. Round to the nearest hundredth when necessary.40 L to gal

A. 18.00 gal B. 42.40 gal C. 10.56 gal D. 9.44 gal