When graphing a linear inequality in two variables, explain how to determine which side of the boundary line to shade. me i am so confused.

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Describe the domain and range of y=2(3)^x-2+5

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?