What linear expression would you add to -4y + 2 to have a sum of y?

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Write a story that matches with the expression 42x-5 pls hurry

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