Question

can you help me this question ​

Answer 1

Answer:

a_54................

Answer 2

Answer:

C. 74

Step-by-step explanation:

X-Y=8 -------(1)

XY=5. ------(2)

X^2+Y^2=(?) ------(3)

Now,

The square of (1) is X^2- 2XY+Y^2= 64 -----(a)

Twice (2)= 2XY = 10 ------(b)

Add (1) and(2),

We get

64+10=74

Therefore, the correct choice is (C) 74.

Hope it's helpful.