Please help I need the right answer and I will mark you as brainlist if done right Nobody will help me due in 20 min
So please answer ASAP

Given this information, which expression must represent the value of b?

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

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?