Hi guys I dont need help just hope everyones has a good day and good rest of the year :D

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?