Answer:
its b, and why does everyone want brainllest
Step-by-step explanation:
Answer:
C. 2
Step-by-step explanation:
hope it answers your question ! if not lmk
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:
Scalene, Acute
Step-by-step explanation:
Scalene because each side has a different length
obtuse because one angle is more than 90°