10. At 9am the temperature was 30 degrees. By 11am the temperature was 42 degrees. By what percent did the temperature change?
Explained in pls

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

If i have 20$ and i gave 5$ away how much i got

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?