James plans to place flower pots along the perimeter of his rectangular garden. he measures the quantities shown to estimate the number of
cylindrical flower pots he should buy.
• length of the garden
• width of the garden
• spacing between the flower pots
which additional quantity would be most useful for james's estimation?
a height of the flower pots
b volume of the flower pots
c diameter of the flower pots
d surface area of the flower pots

D:diameter of the flower pots

Step-by-step explanation:

length and breadth will give perimeter

also adding up the diameters will show the space occupied by the pots .

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.