Can anyone help ? ASAP PLEASE . i’ll mark brainliest

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

What number should be added to both sides of the equation to complete this square? x^2-10x=7