Hi a travels between the two miles markers shown and then finds her average speed in miles per hour select the three equations that represent this situation

Can someone check if i did this correct. it’s number 4 if you’re wondering.

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days