4 accidents.
20 accidents divided by 5 years gives you the unit rate of 4 accidents per year.
Answer:
16/49
i dont have an explaination i just used somthing but it wont let me say it uh yea
Answer:
180
you multiply the no of sides by 60
S=2(4x+2x)+4x^2=4x^2+12x
4x^2+12x=7
4x^2+12x-7=0
D=12^2-4x4x(-7)=256
X1=(-12-16)/(2x4)=-3.5 impossible
X2=(-12+16)/(2x4)=0.5
A
