What is the best approximation for the area of this circle?

use 3.14 to approximate pi.

a. 12.6
b. 25.1
c. 50.2
d. 158.0

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.