Given item below contains an error in sentence structure, subject-verb agreement, pronoun, antecedent agreement, placement of a modifier, verb forms, pronoun forms, or formal, standard English Revise given sentence to correct any errors.
Each of the gymnasts performed their routine for the coach.

Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. Credit reports contain bankruptcy information. ____

a. Reviewing What happens to chemical energy during a chemical change? b. Relating Cause and Effect What are the two main forms of energy given off when paper burns, and where does the energy come from? c. Sequencing Describe the energy changes that link sunshine to your ability to turn a page in this book.

Write brief reports, including examples, explaining the use of each of the following in specifying regression models:

a. Dummy variables

b. Lagged dependent variables

c. The logarithmic transformation

An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of $12.4$ percent and a standard deviation of $20.6$ percent. On the other hand, the firm reports that the yearly returns on tax-free municipal bonds are approximately normally distributed with a mean return of $5.2$ percent and a standard deviation of $8.6$ percent. Find the probability that a randomly selected:

Tax-free municipal bond will give a positive yearly return.

What causes atoms to form chemical bonds with other atoms? A. They want to have filled outer orbitals. B. When two atoms get close together, they merge into one. C. The interaction of valence electrons forms a more stable configuration. D. The attraction of the nuclei for one another causes atoms to share electrons.

Identify the word made from Greek combing forms in the phrase "microscopic organisms." Define the phrase.

a. Reviewing What happens to chemical energy during a chemical change? b. Relating Cause and Effect What are the two main forms of energy given off when paper burns, and where does the energy come from? c. Sequencing Describe the energy changes that link sunshine to your ability to turn a page in this book.

Find out three recent news reports that quote percentages. In each case, describe the use of the percentage (as a fraction, to describe change, or for comparison) and explain its context.

A certain element $X$ forms a compound with oxygen in which there are two atoms of $X$ for every three atoms of $\mathrm{O}$. In this compound, $1.125 \mathrm{~g}$ of $X$ are combined with $1.000$ $\mathrm{g}$ of oxygen. Use the average atomic mass of oxygen to calculate the average atomic mass of $X$. Use your calculated atomic mass to identify the element $X$.

Which of the following best defines heredity? A the joining of sex cells to form the first cell of a new organism $B$ the passage of genetic instructions from one generation to the next C the cycle in which an organism grows from a young form to a mature form D the process of cell division that forms two new nuclei

State whether the following statement is true or false, and explain why. If a statement is false, state the true change. A high school reports that its students' SAT scores were down by $10 \%$ in one year. The next year, however, SAT scores rose by $20 \%$. The high school principal announces, "Overall, test scores have improved by $10 \%$ over the past two years."

Amazon.com, Inc.’s financial statements are presented in Appendix D. Financial statements of Wal-Mart Stores, Inc. are presented in Appendix E. Instructions for accessing and using the complete annual reports of Amazon and Wal-Mart, including the notes to the financial statements, are also given in Appendices D and E, respectively.

Instructions
What conclusions concerning these two companies can be drawn from these data?

Hydrolysis of the compound $B_5H_9$ forms boric acid , $H_3BO_3.$ Fusion of boric acid with sodium oxide forms a borate salt, $Na_2B_4O_7$. Without writing complete equations, find the mass (in grams) of $B_5H_9$ requ ired to form 151 g of the borate salt by this reaction sequence.