Answer:
A. 
Step-by-step explanation:
The question seems to be incomplete. However, we'll make the following assumption.



Pythagoras theorem states that:

Substitute values for Hypothenuse, Opposite and Adjacent.
This gives

or

From the list of given options.
A answers the question
Answer:
$1.30
Step-by-step explanation:
I could only figure out one... sorry! Good luck
The answer is: 21x-28
Answer:
The solutions of the inequality include all numbers greater than 40.
There are an infinite number of the inequality.
Step-by-step explanation: