When the point (-3,2) is reflected across the taxis what are the coordinates of the resulting point

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?