What does the expression “a red rag to the bull” suggest?

In concrete mixers what seems to be the speakers feeling about the concrete mixers

Need answer asap plz! in “ode to the west wind,” which image best expresses the speaker’s hopes for the west wind? a. “scatter, as from an extinguished hearth / ashes and sparks . .” b. “make me thy lyre, even as the forest is . .” c. “. . he lay, / lulled by the coil of his crystalline streams . .” d. “if i were a dead leaf thou mightest bear . .”

Which excerpt from act 5, scene 3 of romeo and juliet best reflects the idea what when a person overlooks what he or she knows is wrong, it can result in a catastrophe?