Stages of artificial seasoning

Freshly felled. Freshly felled wood is sometimes called green wood.  

Air dry. Air dry wood has reached the stage of the seasoning process by which the moisture content that was as high as 50% when the wood was first cut has dropped to around 25%. .

House dry

Explanation:

answer; i believe is(b)converging

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15