Please help fast. What is the circumstances of each circle? Use 3.14 for π. Round to the nearest tenth if necessary. No websites please

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?

Hello, i need compare km^2 and km. what's difference in this?

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?