Erica has 5 blue pens and 3 black pens and 6 red pens in her desk drawer if she randomly chooses a pen from her drawer what is the probability that she will choose a black pen

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that