Answer:
4a
Step-by-step explanation:
The plants are starting at -3, I would say that the plants can grow further down past negative three.
I would draw an open circle at -3, then have the arrow pointing to the left. This shows that the roots can grow lower than -3.
Answer:
5 hours, y= how much money it will cost, and x represents how many hours
Step-by-step explanation:
y= 15x+45
120= 15x+45
-45 -45
75= 15x
75/15×= 5 hours
Estimation helps when there’s a lot of decimals or you want to get the basic number. For an example if you wanted to count the basic population of an area you wouldn’t say 15,347 people you would say over 15,000 people. Hope this helps!