Mathematical models are helpful. Advantages include helping you see the data clearer and helping you visualize. Disadvantages are: time consuming, and if you make a mistake on the graph, its going to hit the entre thing.
Answer:
a) 9 km
b) 18 km
c) She runs at a constant speed of 9 km/h
Step-by-step explanation:
Answer:
<h2>h = 9, k = 8</h2>
Step-by-step explanation:

The ate more cheese pizza because 8/10 is greater than 5/12