Davide is hanging 4 pictures of his parents. They asked him to make sure all the pictures are equally spaced from each other and the end of the walk. 3 of the pictures are 13 inches wide, one in 20 inches wide, and the wall is 7 feet across. How far apart do the pictures need to be

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Tom drove 206 miles in 3.9 hours. estimate his average speed.