Why is interstate compact important

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

What type of commercial speech is not protected by the 1st amendment?

How do you do this? i’ve marked the correct answer but i can’t seem to calculate