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The diagram below shows a Bohr model of an atom of nitrogen.According to the model, how many valence electrons does the atom have?

6. The function f is one-to-one. Find the inverse. Remember notation.

23. Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.

14. An initial investment of $1830 is appreciated for 18 years in an account that earns 4.5% interest, compounded continuously. Find the amount of money in the account at the end of the period.  (Round to the nearest cent.)

Preposizioni semplici. Choose the correct preposition.     1. Andiamo [1] pizzeria domani?   2. Noi veniamo  [2] Roma.   3. Io studio [3] passare l’esame.   4. Stasera esco [4] Luisa.   5. Sono stanca, vado [5] casa.   6. Questo libro è [6] Maria.   7. Non so scegliere [7] cioccolato e crema, mi piacciono tutti e due!      

INDIRECT OBJECT PRONOUNS. Complete each sentence with the correct form of the indirect object pronoun.   1. Gino [1] racconta una favola. – Gino tells her a fairytale.   2. Caterina [2] spedisce una cartolina. – Caterina sends them a postcard.   3. Stefano [3] telefona. – Stefano calls him.    

Writing 4.  Answer to 1 of the 3 following questions. (Please provide a full answer!) PASSATO PROSSIMO    1) Quando sei nato/nata? (A full answer contains the proper verb, the day, the month – in Italian -, the year) 3pts  2) Cosa hai comprato al supermercato? (A full answer contains the proper verb, nouns, expressions of quantitive/partitives )3pts 3) Cosa hai mangiato ieri? (A full answer contains the proper verb, nouns, expressions of quantitive/partitives )3pts   NOTE: YOU CAN ALSO ANSWER TO THE OTHER 2 QUESTIONS FOR EXTRA POINTS.

Regular -ire verbs, PATTERN 1. Complete each sentence with the correct present tense form of the verb in parentheses. Please write the number of the sentence and your answer. Voi [dormite] (dormire) pochissimo. A che ora (noi) [partiamo] (partire) domani?    

If the demand for _________ goods decreases relative to _________ goods, the domestic currency will depreciate.

A high price earnings ratio (PE) gives what interpretation?