Gramática A (12 points total)  Ser vs. Estar: Las descripciones. Sara is responding to an email she received from a friend in Mexico but can’t remember how to conjugate certain verbs in Spanish. First, review the draft of her email below and pick the correct verb [ser or estar]. Then, help her by typing the correct form/conjugation of the verb in the space provided. (2 points per item = 1 pt. correct verb choice and 1 pt. correct conjugation; 12 points total)   Querida Mariángelez,  ¿Cómo 1. [blank1] [ser, estar]? ¡Muchas gracias por tu mensaje! Sí, estudio en OSU, 2. [blank2] [ser, estar] emocionada y un poco nerviosa para este semestre. Tengo muchas clases. En tres clases nos reunimos en persona y dos clases 3. [blank3] [ser, estar] virtuales. Todas mis clases 4. [blank4] [ser, estar] divertidas y interesantes. Además, los profesores 5. [blank5] [ser, estar] pacientes y inteligentes. Me gusta mucho el profesor de biología. Después de las clases, mis amigas y yo vamos a la biblioteca Thompson para tomar un cafecito y descansar en el café Berry que 6.[blank6] [ser,estar] en el sótano (basement/ground level) de Thompson. Al final del día, miro las series de Netflix antes de dormir. ¿Recientemente ves tú una serie buena? ¡Cuéntame! (Tell me about it!)  Un saludo,  Sara   

Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures.

What mass of Na 2CO 3 is present in 0.450 L of a 0.704 M Na 2CO 3 solution?

In the following reaction, which species is oxidized?           8NaI + 5H 2SO 4 → 4I 2 + H 2S + 4Na 2SO 4 + 4H 2O

  __________ is a form of market structure with a small number of firms selling differentiated products in a market with high barriers to entry.  

  Factors of production are another term for the  

  Jeanne has to choose between eating Thai food or Indonesian food. Which of the following equations, where MU is marginal utility, TU is total utility, and P is price, will lead her to achieve her consumer optimum?  

  The backward-bending labor supply curve has its shape because, at  

  A typical diminishing marginal utility curve may be drawn as a(n).  

  A robot that flips hamburgers and French fries can be leased for $2,500/month. The robot takes the place of a worker who can produce the same amount of each good for $2,900/month. Fast-food restaurants that sell burgers and fries should hire __________ robots and __________ workers.