Answer:
im pretty sure its 2 answers
both a and c
hope this helps!!
Answer:
Y = (-3) *X - 10
solution for Y =0 ---> X = -10/3
Step-by-step explanation:
Two points:
(Y0 ; X0) = (-4 ; 2)
(Y1 ; X1) = (-2 ; -4)
There is only one line which pass for both of them, his general expresion is:
y = a*x + b --- (1)
Calculating "a": is the pending of the line.

Calculating "b":
Since every point who belongs to the line satisfied the (1) expresion, we can use it for the point (Y1 ; X1) :

<u>Final expresion</u>
Replacing in (1): 
Solutions:
Answer:
190 miles
Step-by-step explanation:
I believe its 190 miles.
So, he drove 55 miles per hour the first 3 hours:
3 * 55 = 165 miles
Then an adittional 1/2 hour at 50 miles an hour:
50/2 = 25 miles.
So, in total:
165 + 25 = 190 miles
10.9544511501If rounded, it would be 10.95
Answer: a =3c-15b
b = c/5-a/15
Step-by-step explanation: