Answer:
Circle area formula:
x r^2
THEREFORE
we can deduce that,
3,14 x 1^2
= 3,14
hope this helps :)
B. The sun is lighting up different amounts of the moon
Easy just find out the last year change and the whatever the other questions say
80 percent of 96 is 76.8
96 * 0.8 = 76.8