Which steps can be used to solve for the value of y? 3/4 (y + 56) = 51

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

What is the length of ac in the given triangle?

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?