X° = 180° - 160°
= 20°
x = 20
Answer:
R={-1, -11, 7}
Step-by-step explanation:
-2(2)^2+7=
-2(4)+7=
-8+7=
-1
-2(-3)^2+7=
-2(9)+7=
-18+7=
-11
-2(0)^2+7=
-2(0)+7=
0+7=
7
Answer:
the correct anser is B
Step-by-step explanation:
Calculate the area of the shape on all the corners
She estimated by rounding 907 -> 900 and 626 -> 630 and when you subtract them, you get 270, which is how she estimated >300 people would arrive in the afternoon
