Which of the following has the highest mathematical ratio?

a. 12 children and 2 caregivers
b. 18 children and 3 caregivers
c. 24 children and 4 caregivers
d. They all have the same mathematical ratio.


d

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The state that Mr. Smith lives in has a 6% sales tax. If he purchases a boat that costs $16,000, he must pay $960 in taxes. The correct term associated with the $960 is referred to as the:

a. base. b. rate. c. percentage. d. percent.

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Chi et al. asked inexperienced students to read a passage and either generate self-explanations or repeat each sentence. The results showed:

a. the self-explanation group performed worse than the repeat group on transfer questions b. the self-explanation group and the repeat group performed the same on questions requiring inferences c. the self-explanation group developed a more accurate mental model d. none of the above

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What percent of all students are classified as having a traumatic brain injury?

A. About 2% B. About 5% C. More than 5% D. Approximately 0.4%

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Custody issues are predominantly determined by the legal system in accordance with:

A) The best interests of children B) The best interests of adults C) The best interests of grandparents D) The best interests of society

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