The relationship between the number of hours a plumber works and the total work fee she charges is proportional. her fee for 555 hours of work is \$350$350dollar sign, 350.
which of the following could be combinations of values for the plumber's work hours and total work fee she charges?
choose 3 answers:
choose 3 answers:

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.