Darrwn drew a model to find 4/5-1/2. his model is drawn incorrectly. explain his mistakes. then draw the correct model and find the difference

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

What expression is equivalent to (84+16)