What's 8/7 divdied by 5/4?

Write an equation for the function that includes the points (2,100)and (3,100)

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?

Why is 4.125 + the square root of 3 irrational