Sam's height is 15 centimeters less than 2 times martha's height. if sam is 185 centimeters tall, and martha's height is x, the relationship between the heights can be represented by the equation 2x − 15 = 185. what is martha's height? 90 95 100 105

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.