PLEASE HELP ME!! ( LESSON: Properties of Angles at a point)
Solve these angles
48 degrees and 3x degrees
QUESTION: Find the value of x
You can not use the method of a full circle. USE the method of a straight line.
Full circle= 360 degrees
Straight line= 180 degrees
PLEASE SOLVE THIS I DON'T GET THISS ANY REASONABLE ANSWERSSS?

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?