You can be paid with two methods, salary or hourly.
Hourly is a certain amount that you are paid per hour, so it varies each day depending on how many hours you work.
Salary is a fixed amount that you are paid on a regular basis (monthly, weekly, bi-weekly or any other fixed amount of time).
Answer: X=4
Step-by-step explanation:
Because the 90 angle is alternate exterior angle to the 21x+6. So they are equal to each other. It would be 90=21x+6. Then -6 to both sides to be 84=21x and 84/21 is 4. So X=4.
The height of the doorway is 252 inches