Answer: c
Step-by-step explanation:
Answer:
$30
Step-by-step explanation:
Just multiply
The angle does not matter. Think of it as finding the other side to a triangle. Use

a=39 (line AB)
b=b (the leg we need to find)
c=89 (line BD)


(subtract the 1521 from both sides)

(square root both sides)

b = 80
AD=80
Answer:
None of these.
Step-by-step explanation:
Mario's age= n
Therefore,
Josie's age= 2n+4