2x - 1.8 = 2.4 this is a hard question i don't get plz answer

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth