Find the equation of the line tangent to the graph off at the indicated value of x. f(x)= In x^5; x = e^4

Can someone please explain steps. ASAP

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Find the value of x for which line a is parallel to line b