Hi, 

The first shrub looks like a Cherry Laurel, and mostly winter and or drought damage. We would recommend pruning out the dead or dying branches and waiting for new growth to start to fill in. It should recover. We don't see any obvious signs of disease or pest issues. 

The next shrub down looks like a yew. If the entire plant has brown needles, it is likely dead and won't recover. It may be due to a root issue: lack of water, vole gnawing damage, poor drainage in that area, etc. You can try to renewal prune and cut back until you see green growth, if there is any, or if the branches still have some live wood. They will be pliable and bright white or green just under the bark and not brittle or brown on the interior. It may take several years for it to fill back in and regrow, so it may be beneficial to remove the 2 yews (if there are 2 or possibly 3, we can't tell because they are sheared into a hedge). Ideally, if you replace them, it would be better to have shrubs that don't need to be pruned to maintain their size. Some pruning is ok but plants that are regularly sheared can become stressed due to the branches having open wounds and having to put out new growth. 

Monitor for watering needs since most of Maryland has been in a drought since last summer. They also look like they might be planted under the roof overhang, which would mean they aren't getting as much rainwater. Deep watering will help the plants recover from pruning and drought stress. 

Emily