Anybody know the answer? ive been stuck on this math question forever theres no context they just want a explanation of the answer

Which of the following of the following sets of side lengths could not form a triangle?

What two criteria are needed for triangles to be similar

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next