Answer:
16
Step-by-step explanation:
The constant in a perfect square trinomial is the square of half the coefficient of the linear term.
(x +a)² = x² +2ax +a²
For 2a=-8, a=-4 and a² = 16. The constant 16 must be added:
x² -8x +16 = 7+16 . . the left side is a perfect square trinomial
(x -4)² = 23 . . . . . . . the left side is a perfect square
24/3 = 8
4 x 8 = 32
32 > 24 this is the answer
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9 of them are puppies because 15 percent of 60=9
The answer to your question is 1 and 3
