Answer:
Each age is 12 more than the last so the rate of change would be twelve.
Yes it is linear, every twelve pounds is 2.5 more millimeters of dosage.
Answer:
$276.25
Step-by-step explanation:
325 * 0.85 = 276.25
The answer to Q1 along with an explanation is shown in the picture;
Having a look at all the questions, they are all essentially the same type so can all be solved similarly;
So by following the method and explanation, you should be able to do the rest of the questions.