Subtracting 1 from which digit in the number 12,345 will decrease the value of the number by 1,000

What is the volume of the sphere shown below with a radius of 3?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?