Write an algebraic expression that has three terms. two of the terms should be variable terms, and one of the terms should be the constant 6.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

What percent of 18 is 24? and plz explain thx.

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?