What are the answers to question 2 and 3

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

Which function has the domain x> -11

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?