Answer:
36
Step-by-step explanation:
6+6=12 12+12=24 9+6=15 15+24=39
I think 220.8
×100 = 15%
for x < 0 x^2 - 2
for x 0 2x + 1
50.24 units^2
Area of circle formula: r^2
r = 4, = 3.14
3.14 * (4^2) = 3.14 * 16 = 50.24