Do you guys have anything to tell me to help remember things like this 2÷8-3[5÷×4]

The trigonometric ratios sine and secant are reciprocals of each other

What is the distance between point a and b

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.