Urgent need due by 2: 00 for grade will rate good: )

a circle is drawn within a square as shown.

what is the best approximation for the area of the shaded region?

use 3.14 to approximate pi.

a. 168.56 in²

b. 696.08 in²

c. 740.04 in²

d. 1677.76 in²

(40 points) i need some . an answer definition is appreciated as well.

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x