B. 10.6
Step-by-step explanation:
(x + 15)*15 = (20 + 12)*12 => interacting secants theorem
15x + 225 = (32)*12
15x + 225 = 384
Subtract both sides by 225
15x = 384 - 225
15x = 159
Divide both sides by 15
x = 159/15
x = 10.6
70,000 + 6,000 + 800 + 30
step-by-step explanation:
50- 250 is correct i did that one too