It is m + 9 because if we let m = 60 and the lest was 9 minutes longer than m, the test would be 69 minutes long. Therefore the answer is m + 9
Each of the options on the list gives you a point on the graph. If the point lies within the shaded region, the pizza maker can use that particular combo. I've plotted each of the associated points in the picture below. As you can see, only one point - the point (43, 25) representing 43 pepperoni slices and 25 cheese slices - falls within the shaded region.
See the step-by-step solution below.
This is false because 2(7)+0.8/0.2=56 and 22* -4 is equal to -88 and -88 is not equal to 56