-a²-3b³+c²+2b³-c²
= -(3)² - (3×2)³ + (-3)² + (2 × 2)³ - ( -3)²
= 9 - 24 + 9 + 16 - 9
= 1
answer is 1.
Answer:
18
Step-by-step explanation:
7b-2+3b+2=180
10b=180
b=18
He spent <span>150.97 hope this helps :) have a good day</span>
Answer:
EFG = 90 degrees
GDH = 45 degrees
FEG = 45 degrees
DHG = 90 degrees
Step-by-step explanation:
Points are coplanar if they are located on the same plane. A plane is one of the undefined terms in geometry. It is described as a flat surface in a two-dimensional area. If you look at the given figure, find points that are not included in the shaded plane of points A, B and C. That would be point M or point D.