Ava rounded 19,350 to the nearest thousand and got 20,000. which of the following statements is true? ava rounded correctly. ava rounded incorrectly; the answer should be 19,400. ava rounded incorrectly; the answer should be 19,000. ava rounded incorrectly; the answer should be 19,300.

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?