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Based on the evidence provided, readers can conclude that trey is

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes

Project information: the pythagorean theorem can be used in many real-world scenarios. the following is an example of real-word scenario where you will use the pythagorean theorem to find the missing piece. real-word scenario: a handyman needs to create triangular trusses to frame out the roof of a small shed. he knows the roof itself will be 9 feet tall and the length of each truss will be 14 feet. how long will the roof be from its highest to lowest point? part 1: the handyman created a drawing to provide a visual to solve this problem. below is his drawing. 1. part 2: solve the real-life scenario. show all your steps in answering the question and make sure you label your final answer correctly.