Which is the solution set for –7 ≤ 4x + 1 ≤ 5? x≥−32 or x≤32 x≥−32 and x≤32 x ≤ –2 or x ≥ 1 x ≥ –2 and x ≤ 1

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