For v^n = z, if z = 1, then v is an nth root of unity.
True or False?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

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.