(x + 3)^2 + (x + 4)^2
= x^2 + 6x + 9 + x^2 + 8x + 16
= 2x^2 + 14x + 25
= 2(x^2 + 7x) + 25
= 2[(x + 7/2)^2 - 49/4] + 25
= 2(x + 7/2)^2 - 98/4 + 25
= 2(x + 7/2)^2 + 1/2
Its B
Answer:
2.2 degrees per hour
Step-by-step explanation:
22/10=2.2
Writing an equation would be most helpful, but depending on the situation drawing a diagram or reading a table could work better.
-6.5 which in your answer choices is a
Answer:
The correct answer is of option B.
