Answer:

Step-by-step explanation:
Observing the figure
we know that
----> by supplementary angles
Solve for x

A vertex can be the max or min. The vertex is the highest point or lowest point of a function.
I can’t tell without the question
Answer:
I think 320
Step-by-step explanation:
sorry if wrong but I think it 320
Answer:TRUE
Step-by-step explanation: Systematic saving is the process of setting a specific amount of your income at regular intervals. This intervals can be daily,weekly, monthly etc.
Systematic saving requires certain level of discipline to enhance its sustenance and effectiveness, systematic savings approach can be applied by individuals, organisations and Government to prepare for the future or to execute certain tasks or projects.