What is the solution of log3x + 4125 = 3

What is 32+4 x (16 x 1/2) -2 show your work}

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

Do you mind if you guys me with this question i’m on number 8