Use the chain rule to find dz/dt. z = 6 + x2 + y2 , x = 3 ln t, y = cos t

Which term best describes the association between variables a and b

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these