378=20d to find the number of days she will need to finish the book

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

How can you find the mean absolute deviation (mad) for this set of data?