How do the surface area and volume of a sphere differ in the label of the answer? a. The volume of a sphere is expressed in squarec. The volume and surface area of a sphere are
units and the surface area of a sphere is
both expressed in cubic units.
expressed in cubic units.
b. The volume of a sphere is expressed in cubic d. The surface area of a sphere cannot be
units and the surface area of a sphere is
determined because a sphere is a round
expressed square units.
shape.

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?