Consumer math homework! Please help. I'm going to post them below, just give me a sec to type them out

Question

dinorap1 · Answer

1. Your total bill at a restaurant is $24.89. You were very pleased with the service so you decide to give a 20% tip. What is the amount of the tip your will leave the waiter? 
A. $3.73
B. $29.87
C. $4.98
D. $20.00

2. Your total restaurant bill is _________. 
A. the items purchased plus sales tax and tip
B. the items purchased, plus sales tax, minus tip
C. the items purchased minus sales tax and tip
D. the items purchased, minus sales tax, plus tip

3. You order two drinks for $2.49 each and an entree for $12.49. If sales tax is 5%, what is your total bill?
A. $15.44
B.  $17.93
C. $16.21
D. $18.83

4. You order an appetizer for $8.99, 2 entrees for $9.99 each, and a dessert for $5.49. The sales tax is 4% and you leave a 15% tip based on the bill with sales tax. What is your total cost of your restaurant outing?
A. $25.45
B. $41.21
C. $35.84
D. $39.63

dinorap1 · Answer

My answers: 
1. C
2. A
3. D
4. B

dinorap1 · Answer

Check my answers please? I'm not posting them because they're right, I'm posting them to make sure they're right

dinorap1 · Answer

@agent0smith ?????????????????????

dinorap1 · Answer

@agent0smith Okay never mind I got a 4/4. I don't know why you just sit there like that without typing... it's kinda frustrating :/

agent0smith · Answer

I was helping someone in another question.

dinorap1 · Answer

@agent0smith Well I wish you let me know rather than just leaving me confused. But it's fine, I'll just wait for someone else next time.