Find the indicated real nth root(s) of a.
n=4, a = 81
What are the 2 roots

Write 17/20 as a decimal and as a percent.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is