Can somebody please help me with these 2 problems? I will mark you brainliest and rate you five stars and please make sure to write down the steps so I can learn from It oh yeah if your wondering what your supposed to be doing your just going to find the measure of the exterior angle.

Write an algebraic expression for the word expression the quotient of c and 8

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.