Before 7:15 is the answer.
6:30 + 21 minutes + 21 minutes puts the time back at 7:12.
The graph lines stay the same, however the y-intercept changes from (-1,0) to (-2,0), since it is now g(x) = x - 2, instead of f(x) = x - 1.
95
did u mean a whole number or in a percent ??
If asking to simplify 2d + 18