Evaluate 5|7-9|-2. i dont get it

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle