Acostumer is buying 3dvds that cost $6.55 each, with an additional 8% sales tax. what is the total amount that the costumer pays , rounded up to the nearest cent

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Give all possible names for the line shown.calculation tip: lines can be written with either point first.