Write mixed number as an improper fraction.9 5/8

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

The weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )