Six people mert for breakfast and each person orders a meal costing $8.if the sale tax is 7% what is the cost for the group

Me with this one question, and i'll upvote the brainliest answer

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).