+ The sum of ages of Paula and her mother is 48.
Her mother is 12 years more than twice as old as Paula. Use a linear system to
determine the ages of Paula and her mother.

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?