Answer:
12.1
Step-by-step explanation:
OK; just divide 11 by 0.91, then round to the nearest tenth. That's going to give you 12.1
Center (4, -13)
Radius = 17
Circle equation:
(h, k) is the center of the circle and the r is the radius.
h = 4, k = -13, r = 17
25
square has 4 sides and 100 divided by 4 is 25
7.6^8