What do you mean by rational number?

What style should a speaker use when preparing a speech for his or her school's parent teacher association? a. excited b. casual c. strict d. formal

Who thin the context of this excerpt from act 2, scene 1, of macbeth, what is the meaning of the word multitudinous?

Which statement best describes the effect of the metaphor on the excerpt's meaning? o a. it compares the sloshing liquid to a river of water able to push apart the sidewalk o b. it makes the frozen crystals seem like friends to the city to contrast with what a deceitful foe they are. o c. it compares the frozen crystals to delicately lacy snowflakes having arn unexpected strength o d. it likens h20 molecules to hexagonal crystals, which are actually larger than people imagine.