I say y=300(2x) X=hours Y=population
Y=600x
Surface area = Area of rectangle + Areas of triangles.
Area of rectangle = 9cm * 15cm = 135cm2.
Areas of triangles = 6cm * 3cm = 18cm2.
Surface area = 135 + 18 = 153cm2
Answer:
False
Step-by-step explanation:
12+9<20
21≮20
False