Given the function f (a, y)-422 + 6xy 5y hat is df(x,) dr given the function f (x, y)42 6zy 5y what is day)? given the function f (a, y) -422 +6zy 5y what is ) given the function f (z, y) = 4x2 + 6xy-5y2 what is du? given the function f (x, y) 4x2 + 6xy-5y2 what is u) dy dz2 2 drdy

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step-by-step explanation:

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.  

multiply then divide

step-by-step explanation:

might be the correct answer will be question number 2