Which equation represents the relationship between the angles in the figure?

A. 88+b=90
B. 88+b=180
C. 2b+88=90
D. 2b+88=180

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?

The length of the line segment ac is 8x-9 what is the value of x

Find the percent error of the measurement 4 cm