I got 98.88 ft2 to nearest hundredth
full answer I got was v98.88381043 ft2
is it a typo of the actual answer?
Donell practiced 7 hours and Marcus practiced 4
(x+1)²+(y+1)²=9
the answer can be found with
(x-h)²+(y+k)²=r²
where the point (h,k) is the center.