126/1000, how to evaluate a limit with just algebra

114/1000, 3 rectangles under y=1/x from 1 to 2

82/1000, know the chain rule for derivatives!

121/1000, derivative of sin^-1(x), implicit differentiation

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94/1000, finding dy/dx for y^y=x

71/1000, limits from a graph

83/1000, don't use the quotient rule

73/1000, none of the terms is zero but the sum is 0, power series of sine

92/1000, finding the critical numbers of f(x)=x^2*e^(-0.5x)

93/1000, why is the derivative 2^x equal to 2^x*ln(2)

103/1000, a calculus problem without using calculus

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