Please help me with this ill give the brain thingy if its right please.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not