5 of Anne’s pens still have ink. Since 23 of the 28 pens ran out, 5 pens are still good to write with.
Hope this helped!
The number pi is a constant, it's the ratio of a circles circumference to it's diameter.
(n + 7)2 = n - 1
2n +14 = n - 1
2n - n +14 = n - n - 1
n + 14 -14 = -1 - 14
n = -15
(-15 + 7)2 = -15 - 1
(-8)2 = -16
-16 = -16
Answer:
D
Step-by-step explanation:
