4) After his HELLO KITTY business failed Mr. Kelly decided to start a new business selling pencils to kids wie them to class. After 1 month he still owes $2, but after 4 months he has $7.
a) What's Mr. Kelly's slope (rate of change) for this situation?
b) What's Mr. Kelly's y-intercept (initial value) for this situation?
c) Write an equation of the line for the given situation. Graph the line.
d) How much money would Mr. Kelly have after 10 months?
5) Mr. Brust can't stand Mr. Kelly beating him at anything so he changes
after 6 months he only has $2 but after 3 months he had $4.
a) What's Mr. Brust's slope (rate of change) for this situation?
b) What's Mr. Brust's y-intercept (initial value) for this situation?
c) Write an equation of the line for the given situation. Graph the line.
d) How much money would Mr. Brust have after 10 months?

HELP PLEASE WILL GIVE BRAINLIEST I DONT UNDERSTAND