The answer is

In the choices; the coefficients 21, 32 and 10 are not perfect squares.
Answer: 220
Step-by-step explanation:
176 dived by 4 is 44, 44 times 5 is 220 your welcome
50/2.5=
20
Unit rate is 20 miles per gallon
so, uh, i think the answe is actually 5. Since 5^2 is 25, minus 5 is 20, and 5 minus 1 is 4, 20 divided by 4 is 5. i hope that helps.
Answer:
The circle's circumference is 6.28 m.
Step-by-step explanation:
We have,
The circle has a radius of 1 meter.
It is required to find the circumference of the circle. The formula of the circumference of circle is given by :

r is radius

So, the circle's circumference is 6.28 m.