I am a 4 digit number. My hundred's digit is 4 less than my thousands digit. My unit's digit is 7 less than my ten's digit. My ten's digit is 3 more than my hundred's digit. My thousand's digit is the largest single digit number. what number am i?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico