Which of the following equations describes the line below? Check all that apply (-4, 5) (1, -5)

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

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?