Answer:
a = 4
Step-by-step explanation:
Here, we want to write and solve the given equation
a - 2.5 = 1.5
a = 2.5 + 1.5
a = 4
To check, we simply substitute a = 4
That would be;
4-2.5 = 1.5
This is correct
Answer:

Step-by-step explanation:
Division operation of function:

Example:

Answer:
Step-by-step explanation:
Given

comparing it with standard equation 
so 4a=1

so Focus of parabola is (0,0)
directrix
y=-a
here 
Answer:
<u>Continuous </u>
Step-by-step explanation:
The graph is considered continuous due to the fact that it can take any amount of height, weight, and temperature. If it was discrete there would be a limit to your hike.
I really hope this helped you, please be sure to make my answer brainiest. Thank you and have a great night sleep / or have a great day! :D
Hey there!☺
(-∞, 5)

You need to convert the inequality as an interval notation.
as interval notation would be written like this:
(-∞, 5)
Hope this helps!