Ally the turtle was born with 1 square on her shell, as in the first picture below. When she was 1 year old, 8 new squares appeared around the old squares, as in the second picture below. Each year, a new group of
squares appeared around the old squares.
How many new squares appeared on Ally's shell each year? Extend the pattern and fill in the blanks in the
chart below.

2=16 3=24 spot on her shell

Step-by-step explanation:

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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.