Answer:
Opens upward
Step-by-step explanation:
Since the coefficient of 
is a positive number +8, then it is a parabola that opens upward
Answer:
32
Step-by-step explanation:
Answer:
11 1/3 miles
Step-by-step explanation:
Answer:
a and b.
Step-by-step explanation:
I’ll explain by giving an example.
Let’s say that: a=3;b=4;c=5; => they all are consecutive -> their sum is 12.
=> if we use a) n=3 => 3*n+3=3*3+3=12 => correct.
b) n+(n+1)+(n+2)= 3+4+5=12=> correct.
c)n+2n+3n=3+6+9=18=>incorrect.
d)3n=3*3=9=>incorrect.
Answer:
bruv this is second grade stuff
Step-by-step explanation:
9
