B. 15 because
-18+x=-3
X= -3 + 18
X = 15
Answer:
D) Rotation of 180 degrees about its center.
Step-by-step explanation:
because when you turn that shape in 180 degres is going to be in the same coordinates.
this will be a equilateral triangle
3.4^2-2.2^2×4.6-3.5×10.5 would be the simplified expression.
Note that ^ is an exponential sign.
Hope it helped,
Happy homework!