Answer:
v = 7
Step-by-step explanation:
Divide both sides by 4 to isolate v
28/4 = 4v/4
v = 7
Use the change-of-basis identity,

to write

Use the product-to-sum identity,

to write

Redistribute the factors on the left side as

and simplify to

Now expand the right side:

Simplify and rewrite using the logarithm properties mentioned earlier.





(C)
Answer:
Do you have a picture
Step-by-step explanation:
1 yard = 3 feet
35 feet/3 feet = 11 2/3 yards