36 divided by 2/8 to the fifth power + 7 x ( 3+11 )

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

Answer! if you don’t mind, can you explain

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the