PLEASE HELP: The equation csc^2x- 1 = cot^2x is an identity. O A. True O B. False​

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points 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.