Complete the square of x^2+4x-5 by finding numbers HNK such that x^2+4x-5=(x+h)^2+k

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

What is the maximum of the sinusoidal function