In a newspaper, it was reported that yearly robberies in Springfield were up 25% to 225 in 2013 from 2012. How many robberies were there in Springfield in 2012?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

41/17 as a decimal rounded to the nearest hundredth

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?