Which word means: v. to exchange things for other things without the use of money?
barter
Which word means: v. to find an answer or solution for something by thinking it through?
figure out
Which word means: v. to think something is important or useful?
value
Which word means: n. the act of giving money in exchange for something ?
payment
He works hard and expects nothing (of/in) return.
in
of
Two plus four is equal (over/to) two times three.
to
over
Which word means: n. the study of living things and the palces they live?
ecology
Which word means: n. the highest point of a mountain?
summit
Which word means: n. a person whose job is to show a place or the way to a place to visitors?
guide
Which word means: v. to build or make something, such as roads or buildings?
construct
Which word means: adj. not being proud and thinking that you are better than others
humble
Which word means: adj. far from where other people live?
remote
