This stuff is way to hard
Answer:
All Triangles are closed figure polygons that have three straight sides
Step-by-step explanation:
All 2D shapes are plane figures so this one is false. Three right angles are greater than 180 so this is fake. Polygon and closed figures are shapes with three or more closed sides. And triangles have straight sides.
13y-2b=15y
2b=2y
2b=2y
2b=2y
Answer:
-26
Step-by-step explanation:
first substitute -2 for x : 2(-2)+5(-2)-12
-4+-10-12
-14-12
-26
-26 is your answer
pls mark me brainliest if this helps !
Please excuse my sloppy writing but the answer is 30