Discover Questions

I literally can't figure this out for the life of me...if anyone can help I would be so grateful (and if you could show scratch work)? Solve for x:
a. e^-x = 0.0067
b. e^-1.3x = 2.000
c. 29 = 66e^-2x
d. x = 100e^-(0.347)(8)
e. 100 = 240e^-(0.277)(x) please show work.? Use implicit differentiation to find the tangent of the line. arcsin 2x + arcsin 4y = pi/2 (sqrt2)/4, (sqrt2)/8 y=? Find the derivative of the function.
F(x) = (9x^6 + 4x^3)^4? Write equations for the stepwise and overall formation [Ni(CN)4 ] 2-?