Answer: It is multiplying by 6 each time
If Sofia and Juana worked together I would take them 1 hour
Answer:

Step-by-step explanation:
<u>By </u><u>tangent</u><u> </u><u>theorem</u><u> </u>we acquire:

simplify addition:

cancel 10 from both sides:

hence,
our answer is A
Subtract 15 from both sides that gets rid of 15 and your left with 3b =30b divide 3 on both sides and the answer is 10
HOPE THIS HELPS YOU..... :)