Sarah is cutting ribbons for a pep rally. the length of each ribbon needs to be 3.68 inches. if she needs 1,000,what is the length of the ribbons sarah needs

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

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?