When three or more numbers are multiplied the product is the same regardless of the order of the multiplicands

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?

Find the measure of angle c in the following triangle.

Iknow the square root of 2 is irrational