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Calculus help evaluate integral c x^(2)+y^(2)ds where c is parametrized by c(t)= <3t-2, t+1> -1 What will happen to Earth if human population suddenly increases by 1000x, how about decreases by 1000x? Thanks.? Calculate the acceleration of gravity 277 km above Earth's surface in terms of g (mass of Earth is 5.97 1024 kg, and the radius is 6380 km)? If there is 250mg of medication in 5ml, then how many mg are in 8ml? Do male cows have udders just like females?