Hey moderators come and delete my questions =_=​

Which expression can be used to find the difference of the polynomials? (10m – 6) – (7m – 4)

23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems

Another term for an organizational aid is ‘assistive image’. select the best answer from the choices provided