Without writing in standard form, state whether the graph of each equation is a parabola, circle, ellipse, or hyperbola.

$$5 x - 12 x y + 6 x ^ { 2 } = 8 y ^ { 2 } - 24 y - 9$$

Using data from such publications as the Statistical Abstract of the United States, Forbes, or any news source, give examples of variables measured with nominal, ordinal, interval, and ratio scales.

Tell whether each italicized word or word group in the following sentences is used as a noun, a pronoun, or an adjective. If a word or word group Is used as an adjective, give the word it modifies.

Example:Everyone in class is writing a poem about an American pioneer. Everyone—pronoun; American—adjective—pioneer.

Several students are writing theirs about people whose names familiar to many; others have chosen people who they believe merit wider recognition.

Label each noun con. if it is concrete, abst. if it is abstract, col. if it is collective, and prop. if it is proper. Underline each conjunction.
Because it was a dreary day, listlessness was felt throughout the class.

Ginnie works in a music store. She is paid 125 dollars a week plus 1 dollars for each CD she sells. Explain how to find Ginnie’s weekly earnings.

Label each noun con. if it is concrete, abst. if it is abstract, col. if it is collective, and prop. if it is proper. Underline each conjunction.
We read the newspaper while we were waiting for Sid.

Algebra In the circle shown, find the measure of $\angle I$.

In the sentence below, underline the subordinate clause. If the subordinate clause functions as a noun, indicate the clause's function by writing above it S for subject, DO for direct object, IO for indirect object, OP for object of a preposition, or PN for predicate nominative. If the clause functions as a modifier, indicate its function by writing above it ADJ for adjective or an ADV for adverb.

As soon as he had sold $5,000$ handmade sets, however, game companies began to take interest.

For the sentence below, underline the correct form of the verb in parentheses. Then, underline twice the word or word group with which the verb agrees.

Improvisation, which (is, are) the ability to create spontaneous music, is characteristic of jazz.

Above each underlined verb, identify its tense by writing present, past, future, present perfect, past perfect, or future perfect. Also, indicate if the tense is in the progressive form by writing prog above the verb.

Example 1. By the end of sophomore year, I $\overset{\textit{\color{#c34632}{FUTURE PERFECT}}}{{\underline{\text{shall have achieved}}}}$ many personal goals.

By noon, they $\underline{\text{will have practiced}}$ for two hours.

Underline each complement in the following sentences.

Example 1. Mark sent his $\underline{\text{sister}}$ a birthday $\underline{\text{gift}}$.

Stephen mailed his grandmother a music box.

If you use the Internet, have you ever paid to access or download music? This was one of the questions of interest in a recent Pew Internet and American Life Project Survey (Oct. 2010). Telephone interviews were conducted on a representative sample of 1,003 adults living in the United States. For this sample, 506 adults stated that they have paid to download music. a. Use the survey information to find a point estimate for the true proportion of U.S. adults who have paid to download music. b. Find an interval estimate for the proportion, part a. Use a 90% confidence interval. c. Give a practical interpretation of the interval, part b. Your answer should begin with "We are 90% confident ... " d. Explain the meaning of the phrase "90% confident."

Carson enjoys writing mystery novels, and has even managed to publish some of his work. When he's writing, Carson becomes extremely focused on his work; in fact, he becomes so absorbed that that he often loses track of time, often staying up well past 3 a.m. Carson's experience best illustrates the concept of a. happiness set point b. adaptation c. positive affect d. flow

Fill each blank with the lesson word that best fits the meaning of the sentence.

The two singers should ______ their differences; they made much better music together than they now do apart.