Plsss help asap i will give brainlieat

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?