Can somebody canme with with question? ?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line 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

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.