A line intersects the points (-1, 3) and
(-4, 9). What is the slope-intercept
equation for this line?

What is always true when two whole numbers are subtracted?

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?

Polygon abcd is a rectangle what is the area