Which classification is correct for ∠1?

a. obtuse
b. right
c. straight
d. acute

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

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

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