Which statement is true of adolescent cognitive skills? a. adolescent processing speed slows because of numerous changes in several hormones. b. metacognitive skills do not begin develop until after the physical changes of puberty are complete. c. adolescents’ working memories are more limited than those of children.

Which of the following would indicate an improvement in a company's financial position, holding other things constant? a. the inventory and total assets turnover ratios both decline.b. the debt ratio increases.c. the profit margin declines.d. the times-interest-earned ratio declines.e. the current and quick ratios both increase.

Which of the following best describes vertical integration? a. produce goods or services previously purchasedb. develop the ability to produce products that complement the original productc. develop the ability to produce the specified good more efficiently than befored. build long term partnerships with a few supplierse. sell products to a supplier or a distributor

The food services division of cedar river amusement park inc. is studying the amount families who visit the amusement park spend per day on food and drink. a sample of 40 families who visited the park yesterday revealed they spent the following amounts: see worksheet 1 for data and answer the following questions: a. organize the data into a frequency distribution, using seven classes and 15 as the lower limit of the first class. what class interval did you select? b. what percent of families spent less than $45? c. what percent of families spent $55 or more? d. how many families spent from $65 to 74.99?