Look at the model. what division does it show

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

How can you find the mean absolute deviation (mad) for this set of data?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?