1000000+9292883-222981+88272727x 9299-1992 =?

You can use a calculator if you want

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Combine like terms to make a simpler expression 3z+z

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?