Solve the inequality 7≥b+-2

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

What is the range for 31,39,29,34,37,24,36,33,34,28

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