Correct
1. Determine the number of diagonals of a dodecagon
a. 12
b. 24
c. 54
d. 108: 54
2. A dress is marked down by 20% and placed on a clearance rack, on which is
posted a sign reading, " Take an extra 25% off already reduced merchandise."
What fraction of the original price is the final sale price of the dress.
a. 9/20
b. 11/20
c. 2/5
d. 3/5: 3/5
3. Aaron goes on a run every morning down the straight country road that
he lives on. The graph below shows Aaron's distance from home at times
throughout his morning run. Which of the following statements is (are) true?
I. Aaron's average running speed was 6 mph
II. Aaron's running speed from point A to point B was the same as from point
D to point E
III. Aaron ran a total distance of four miles
a. I only
b. II only
c. I and II
d, I, II, and III: I and II
4. If a, b, and c are even integers and 3a^2 + 9b^3 = c, which of these is the
largest number which must be a factor of c?
a. 2
b. 3
1/9
, c. 6
d. 12: 12
5. Solve (x-2/x-1)= (x-1/x+1)+(2/x-1)
a. x=2
2/9