There is a reason why they don't feel you should have a cat. Find out why. Start to act responsible around the house. Show that you can/could take care of cat. Don't argue with them about this or throw a temper tantrum. That will show you aren't old enough to take care of a cat. Use a "I message" I feel that I could take care of a cat because.........
Make them an a deal they cant resist
stubborn as a mule
By becoming a very, very good rider. You should not get a pony if you cannot ride... and your parents know it, too. Also you should try suggesting that you work at the barn. Working at the barn, you can earn some cash to help pay for its board fee.
There are many people in the world who will try to persuade you. Your parents and teachers will try this for example.
Tell them how responsibly you will use it
I wish I knew. :'(
no
If you want to persuade your parents to allow you to make a website, start by talking to them honestly. Tell them why it is important to you, and show them you can be responsible about the website as well.
just tell them its your pet and you'll name it whatever you want. and to leave you alone.
Give them lots of chocolate
You buy your own food...........
If you want a 3D HD TV Set you could persuade them by saying that you can get a job and save enough money to buy it. Then give the money to your parents and they will be mighty pleased to get you a 3D. That's the way I persuaded my parents to get me a bicycle.