Answer:

it must always have one of the sign
Answer: A. (-8,-3)
Step-by-step explanation:
Original formula is f(x)=|x-h|+k, the vertex is (h,k), so a positive h in the formula would turn out negative in the vertex.
9! or 9×8×7×6×5×4×3×2×1 which is 362,880
If he got 5 points in the first round and he needed at least thirty he would score 9 points in the next three rounds
The decimal would be .95 and the fraction would be 95/100 I believe
NOT 100% sure
Hope it helps