PLEASE HELP ASAP GIVING BRAINLIEST PLUS 20 POINTS

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1