Can someone help plss

Find the solution of system of equation y= x-4 y=4x+2

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles