Answer:
c
Step-by-step explanation:
the perimeter of the sector
A=2πrh+2πr2=2·π·6·25+2·π·6^2 so the answer is D
The vertex is the highest point on a downward-opening parabola or the lowest point on an upward-opening parabola.
Answer:
1
Step-by-step explanation:
you simply divide 154 by 9, get around 17.1. 17 is the closest whole number answer, so 17*9 is 153.
do 154-153, you get 1.
not the best explaination but i hope it helps.
The first one is 11 and -11 because when you square them they both get 121
The second one is -7 and -1
