As a skateboarder moves down a ramp how does her potential energy change a) as the skateboarder moves down her potential energy decreases b) as the skateboarder moves down her potential energy increases c) as the skateboarder moves down her potential energy does not change d) as the skateboarder moves down her kinetic energy is converted into potential energy

What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

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