Given f(x) = -5 +1. What is f(-3)?

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

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