The sum of three numbers is 15. The sum of the first number and three times the second number is 15. The sum of the second number and the third number is 8. What are the three numbers?

Plzzz asap what is the inverse of f if f(x)=^3 sqrt x-5

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Can someone answer this question for me