Dave wants to make a stone walkway the rectangular walkway is 4 feet wide and 12 feet long each 2 foot by 2 foot stone covers an area of 4 square feet how many stones will dave need to make his walkway

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

What is the 12th term of b(n)=-4-2(n-1)

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?