Answer:
B
Step-by-step explanation:
20*3=60
20*7=140
20*11=220
Answer: b
Step-by-step explanation: times the # teachers by 20
equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2,
so in first box - h
in second box - k
after equal to box = r²
The greatest common factor of x4 and x³ is x³
