A particle that can move along the x-axis is part of a system with potential energy u(x)=ax2−bx where a and b are positive constants.

Can someone answer this question? : )

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?