Which of the following rules could represent the function shown in the table? x y
-1 -1
0 1
1 3
f( x ) = -2 x
f( x ) = 2 x - 1
f( x ) = 2 x + 1

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6