Answer:
2 = 2.80 9=12.6 10 = 14 5 = 7
Step-by-step explanation:
Sorry if I got one wrong just rushing to help ya out
The equation is
an=25n+55
Area of circle=πr^2
=22/7*21^2
=22/7*441
=9702/7
=1386 sq.inch
