Answer:
Step-by-step explanation:
7.5
Answer:
We have to use the formule to calculate the vertex which is: V(-b/2a;4ac-b^2/4a)
A) y=x+7 where a=1 b=0 and c=7
By replacing we have: V(0;28/4) V(0;7)
B) y=-x where a=-1 b and c=0 so V(0,0)
Fred. .9 is larger than .6 therefore, Fred walked a longer distance.
Answer:
a = 4
Step-by-step explanation:
a+8 = 12
a= 12-8
a=4
