Julie empties a box of metal disks on a mass scale. she notes the total mass of the disks and the mass of each disk. which expression gives the number of disks in the box? a) total mass × mass of one disk b) total mass – mass of one disk c) total mass + mass of one disk d) total mass ÷ mass of one disk

another example of kinetic energy would be,

kinetic energy   >     moving energy

answer   >   letter choice (c),   a hammer falling off a table.

hope that !                                         : )

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2