Graph abc and its image after a rotation of 180 about the origin

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Can someone me out here number 4 plz