Answer:
5
Step-by-step explanation:
12.2
use the Pythagorean theorem to determine the diagonal
9.9^2 + 7.2^2 = d^2
d = 12.2
(x+8,y-6)
it's the number of values that x and y differ
29
25+4
you take the final amount and add what was taken to find the initial value
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