Answer:
M
Step-by-step explanation:
Other two have squares in the ratio 3:5
L: Line that halves the shape is 3 units for the inner one and 5 units for the outer one
3:5
N: Line that halves the shape is 9 units for the inner one and 15 units for the outer one
9:15 3:5
M: Line that halves the shape is 4 units for the inner one and 10 units for the outer one
4:10 2:5
17 cm is the perimeter of the polygon
Answer:2y^2-6y+6
Step-by-step explanation:
5y^2-2y+1-(3y^2+4y-5)
5y^2-2y+1-3y^2-4y+5
Collect like terms
5y^2-3y^2-2y-4y+1+5
2y^2-6y+6