Answer:
Step-by-step explanation:
You first have to add all of the numbers in the data set, than you divide by how many numbers are in the data set
7x+3(4x-8)=109
7x+12x-24=109
19x-24=109
19x=109+24
19x=133
X=133÷19
X=7
Answer:
(-1.5,0.75)
Step-by-step explanation:
If you graph it you can see the vertex
Answer:
(x - 6)(x - 6)
Step-by-step explanation:
The given quadratic equation is 
.
A quadratic equation can be factored in the form 
where 
and 
will form the roots of the equation.
Here the roots are: 
.
The factored form would simply be: 
.
I don't exactly get what your supposed to do but I thought it like this:
T V
3000 0
3000 4000
5000 4000
5000 8000
the last two are the final answers on how long the ran or it could be Terrel ran 5 kilometers while Victor ran 8 kilometers, but still idk what exactly your supposed to put
