Given an arithmetic sequence in the table below, create the explicit formula and list any restrictions to the domain.

n an
1 40
1247
3 54

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?