Answer this please I'll give brainliest to the correct answer I can be sweet or not so much, I have nice curves and from my name you might think I make a ringing sound. What am I?

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

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x