Answer: 19
Step-by-step explanation:
Answer:
shoe=10
body=5
the last one=4
So the last one is 19.
Answer:X=30 so A=65
44
Given, 3x^2 + 3y^2 = 42
=>3(x^2 + y^2) = 42 =>x^2 + y^2 = 42/3= 14
Thus,
= (x - y)^2
= x^2 + y^2 - 2xy
= (x^2 + y^2) - 2xy
= 14 - 2(-15)
= 14 + 30
= 44
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