sum of the digits of a two digits no is 9 when we interchange the digits , it is found that the resulting new no is greater than the original number by 27 what is the two digit number?​

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

How can you construct perpendicular lines and prove theorems about perpendicular lines