URGENT!
Calculate the arc length in terms of pi
The radius of a circle is 0.5 meters. What is the length of an arc intercepted by an angle of 4pi/3 radians
A. 0.66pi meters
B. 0.75pi meters
C. 2.33pi meters
D. 0.375pi meters

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

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit