Reading Comprehension:

1. D. The main idea of this passage is that myths illustrate the values that are considered important to a society.
   
   
2. B. The second sentence states an effect of the first sentence.

Sentence Skills

1. D.The sentence should read:
   Ms. Rose plans to teach a course in biology next summer.
   
   
2. C.The new sentence should read:
   She was often interviewed because she was a female jockey.

Arithmetic:

1. D. All of the answers are ways to write 20 percent of N EXCEPT 20N.
   
   
2. A. The square root of 10.5 is 3.24, so the closest answer to 3.24 would be 3.
   
   
3. C. One-half (1/2) plus one-third (1/3) equals five-sixths (5/6), so one-sixth (1/6) of the third worker's time should be budgeted to the project in order for the total time to be equivalent to that of one person working full-time.

Elementary Algebra:

1. A. The correct answer is 12, because ( 12 / 4 ) - 3 = 0.
   
   
2. C. The expression 16x - 8 may be factored as 8(2x - 1).
   
   
3. A. If x 2 - x - 6 = 0, then (x + 2)(x - 3) = 0, so x = -2 or x = 3.