The lowest elevation in New Orleans, Louisiana, is –8 feet. The lowest elevation in Long Beach, California, is –7 feet. Choose the number line that represents this set of integers. help plz

What are “like terms”? why can we only add like terms?

Simply 8x squared + 5(7x squared- x) - 2x =

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