Which of the following ordered pairs is a solution of the function f(x)=3x-1

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62