Which expressions represent the difference of exactly two expressions? Choose 3 answers:
6(x + 7) - 2
-21
4f - 2g
3.xyz - 10

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

You purchased 8 pounds 10 ounces of candy from a candy shop. you want to split it equally among 3 classrooms at a local school.

Which of the following transformations will always produce a congruent figure?