You have $8.33. You buy 4 items that cost $0.63 each. How much money do you have left?

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

We just started the introduction into circles and i have no idea how to do this.