I’m doing Gcse maths. I have papers and online math work that I need help with. Can anyone do it for me pls. Can anyone help me pls with those pls.

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

15 point ! ~ see if you know the answer to both you!

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.