At 5 am, the temperature at an airport was -9.4 f. six hours later, the temperature was 2.8 f. which expression represents the total temperature change over the six hours?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )