Find the first partial derivatives of the function.
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?
A. 
B. ?
C. ?
D. ?
Answer: B
Mathematics
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Simplify, where possible.6a - 4b + 2
A. -2a + 2 B. 2ab + 2 C. 6a - 4b + 2 D. 4ab
Mathematics
Solve the variation problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 16.8 gallons of water. Find the amount of water used in a shower lasting 7 minutes.
A. 6.4 gallons B. 147 gallons C. 5.6 gallons D. 4.8 gallons
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve.The sum of two consecutive integers is -253. Find the larger integer.
A. -125 B. -127 C. -128 D. -126
Mathematics