Which group of words best the reader understand the meaning of the word authoritative in this sentence?

this book is an authoritative guide to grammar, but that other short pamphlet has some bad information in it.

this book

has some bad information

guide to grammar

short pamphlet

The essay sea stars by barbara hurd. what point is the author making by comparing a sea star missing an arm to a human losing a limb?

Select the correct answer. which of these lines from “the raven” by edgar allan poe to create the dark and gloomy tone of the poem? a. "'tis some visiter entreating entrance at my chamber door— some late visiter entreating entrance at my chamber door; b. once upon a midnight dreary, while i pondered weak and weary, over many a quaint and curious volume of forgotten lore— c. "and so faintly you came tapping, tapping at my chamber door, that i scarce was sure i heard you"—here i opened wide the door— d. bird or beast above the sculptured bust above his chamber door, with such name as "nevermore." hurry

Plz hurry the graph below shows the distances, in miles, that a dragonfly can travel in a certain number of hours: a graph titled motion of a dragonfly shows time in hours on the x axis and distance in miles on the y axis. the scale on the x axis shows number from 0 to 10 at increments of 2 and on the y axis the numbers are shown from 0 to 250 at increments of 50. a straight line joins the ordered pairs 0, 0 and 2, 50 and 4, 100 and 6, 150 based on the graph, what is the dependent variable, the equation relating the two variables, and how far will the dragonfly travel in 24 hours if it continues to fly at the same speed?