Sylvie made the solid figures shown using unit cubes. which statement about these models is true? model a model b a. the volume of model a is 10 cubic units less than the volume of model b. b. the volume of model b is 4 cubic units greater than the volume of model a. c c the volume of model a and model b combined is 54 cubic units. d. model a and model b have the same volume

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Can someone answer this question for me