Whats 1+0+9+5+5+3+9+3+112-123+7-7x0

If a boat travels 3 miles in 1.5 hours how far will it travel in 2 hours?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

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