the table shows the number of contacts six people each have stored in their cell phone. Person Mary: 68 wes:72 keith:77 julie:64 Anthony:69 Lan:76. what is the mean absolute deviation for this set of data?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.