Acircle is described by the equation (x−1/2 )^2 +(y−3/2 )^2 =4/9 . what are the cordinates for the center of the circle and the length of the radius? a) (-1/2 ,-3/2 ) , 2/3 units b) (-1/2 ,-3/2 ) , 4/9 units c) (1/2 ,3/2 ) , 4/9 units d) (1/2 ,3/2 ) , 2/3 units

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers