Answer:
(4,2)
Step-by-step explanation:

Answer:
x = 7
Step-by-step explanation:
I used the formula c^2 = a^2 + b^2
if you need further explanation,let me know
Answer:
16+x
Step-by-step explanation:
Answer:
should be 15...
Step-by-step explanation:
66 is the answer
76+ 38= 114
114+ 66 = 180