Can anybody help me?

Name the type of angle shown.calculation tip: common types of angles are zero, straight, right, acute, or obtuse.

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

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers