ANSWER ASAP
6(1 + 6g)

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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?