PLS HELP! I NEED THIS What was the hiker's average velocity during part B of the hike?

10 km/h southeast

0.6 km/h north

0.17 km/h south

6 km/h south

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397