My mom was optimistic that the camping trip would go well, but my dad was doubtful that we would have nice weather and enough supplies. Based on the antonym context clue, what does the word optimistic mean? (1 point) unprepared hopeful grateful uncertain

The word "optimistic" means hopeful, so the correct answer is hopeful.

It’s not surprising that Jeremy is so obstinate. His sisters are equally as stubborn about getting what they want, no matter how impossible or challenging it may seem. Read the sentences. Which word in the sentence has the same meaning as the word obstinate? (1 point) Responses stubborn stubborn challenging challenging impossible impossible surprising

The word that has the same meaning as "obstinate" in this context is "stubborn."

The museum has an interesting collection of nautical items, including ocean maps, sails, and anchors. Read the sentence. The example context clues show that the word nautical means (1 point) Responses “growing or living near a boat.” “growing or living near a boat.” “of or associated with salt water.” “of or associated with salt water.” “having an interest in the ocean.” “having an interest in the ocean.” “of or relating to ships or sailing.”

The example context clues in the sentence indicate that the word "nautical" means "of or relating to ships or sailing."

The customer filed a grievance, or a formal complaint, with the store manager after she had waited in line for over twenty minutes to buy a loaf of bread. Read the sentence. Which phrase in the sentence tells the meaning of the word grievance? (1 point) Responses “a loaf of bread” “a loaf of bread” “a formal complaint” “a formal complaint” “the customer” “the customer” “the store manager”

The phrase in the sentence that tells the meaning of the word "grievance" is "a formal complaint."

My brother’s face twisted into a grimace every time my mother asked him to do chores. Of course, his frown disappeared the minute he was allowed to go outside to play. Read the sentences. Which word in the sentence is a synonym for grimace? (1 point) Responses face face frown frown minute minute chores

The word in the sentence that is a synonym for "grimace" is "frown."