A piece of stpne on Planet Y weighs seven pounds, but on Earth it weighs only 4 pounds. What would a 130-pound Earthling weigh on Planet Y?

Factor the polynomial. b^2 + 4b + 4

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

Tyler reads 2/5 of a book on monday, 1/3 of it on tuesday, 2/9 of it on wednesday, and 3/4 of the remainder on thursday. if he still has 14 pages left to read on friday, how many pages are there in the book?