If UH = 19 and FH = 5x -7, find the value of x.

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?

Which angle of rotation is an angle of rotational symmetry for all figures?

The side of a square is 3 and 5/2 inches