Yet again another horrible mathematics question that I can't even help others, next question I ask ill just give away all my points, so take 12 points, and answer them for me please

Choose the triangle with x equal to 17.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )