while walking home from one warm afternoon, wher neighbor's house chool, Rosie glanced at hers. Spencer lifting a fluffy kitten ind noticed Mrs. rom a cardboard box. The words "Free Kittens" lere written across the side of the box in large, lack letters. Rosie squealed with excitement ad ran home to tell her parents. uthor's Purpose

hework Marc had an American car imported into France. On a trip to Paris ho used 36 liters of gas. The tank, which he filled before starting the trip, holds 17 gallons of 1 How many liters of gas were left in the tank when arrived in Paris? \( \square \) hiters (Round to the nearest hundredth.)

a) \( (-16)(3)= \)

Identify the type of observational study (cross-sectional, retrospective, prospective). Researchers collect data by interviewing athletes who have won olympic gold medals from 1992 to 2008 .

14) \( \left(\frac{1}{a^{2}}+\frac{1}{2 a}\right)=\left(\frac{5}{4 a}\right) \cdot \frac{4 a}{1} \)

27) \( 1-8 \) \( (-12)-10 \) 28) \( 12-(-5) \) 29) \( (-6)-2 \) 31) \( (-9)-5 \) 32) \( (-4)-(-1) \) 33) \( (-3)-(-2) \) 34) \( 6-12 \) 33) \( (-9)+(-9) \) \( 36)(-9)-1 \) \( 37)(-1)-1 \) 38) \( (-8)+(-4\} \) 39) \( 9-3 \)