6.12 = 5.36 + 4× i need help answering this problem

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.

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price

What is the base of the exponential expression of 4 to the power of 5