Answer:
So if ∠X is 70° then ∠Y is most likely going to be 70° as well. So if you take 180° which is a straight line and subtract both of the 70°'s you'd get 40°. This answer seems pretty accurate to me. 
Step-by-step explanation:
Hope this helps you out! :) 
(If any question s put them below and I'll try my best to answer them)
 
        
             
        
        
        
Answer:x<1/7 (5 - sqrt(130))
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
343 cubic units^3
Step-by-step explanation:
its a cube which means all the sides are the same length, multiply lwh (length x width x height), which would be 7x7x7 or 7^3.