Answer:
A.) negative twenty-seven over forty
Step-by-step explanation:
Screenshot below will explain the answer
(y + 7)(y + 7)
49 is a perfect square of 7
it can also be written
(y + 7)²
hope this helps :)

PR is the longest side.
The triangle will be right if
PQ² + QR² = PR²
PQ² + QR² = (√10)² + (√40)² = 10 + 40 = 50
PR² = (√50)² = 50
50=50 so, ΔPQR is <span>a right triangle.</span>
Answer:
2.5 kg per person
Step-by-step explanation:
Take the amount of chocolate and divide by the number of people
5 kg /2
2.5 kg per person