Answer:
B
Step-by-step explanation:

Answer:
130 and 211
Step-by-step explanation:
15+17= 32
17+32=49
32+49=81
49+81=130
81+130=211
Answer:
see screenshot
general formula is
r² = (x - x-center)² + (y - y-center)²
500-100=400
5(400)=2000
399+10=409
2000+409+2409
5(2409)=12045
3(12045)-36135
so in total it's equal to 36135
Answer: 7.5 ft by 30ft
Explanation: 12*5/2=60/2=30 ft
3*5/2=15/2=7.5 ft