Answer: 
Step-by-step explanation:
Step 1: Subtract 8 from both sides: 

Step 2: Divide both sides by 7: 
Get your answer: 
Answer:
i need pointsss
Step-by-step explanation:
The gradient of y axis is zero. Since the line is parallel to y axis, its gradient is also zero. This
y=mx+c
Where m is the gradient;
y=(0)x+c
y=c
Replacing for y and x;
0=0(-4)+c
c=0
Answer:
the winner was 1.4m/s quicker
Step-by-step explanation:
i think it is:
average speed= m:s
fay= 300: 50= 6m/s
tia= 300: 65= 4.6m/s
6-4.6= 1.4