Answer: 2, 1.5 , -0.75
(b) 
Step-by-step explanation:
Given
line is 
Converting it into intercept form

So, the x-intercept is
and y-intercept is 
The slope is given by

(b) the line perpendicular to the above line and passing through 
The slope of the required line

Equation of the line is given by

Answer: the pitch of the roof is 2/9
Answer:
18
Step-by-step explanation:
6*2=12
9*2=18
Two laps per minute
The answer is 60,000. because it would equal six hundred thousand, and that divided by 10 is 60,000
Answer:
20 minutes
Step-by-step explanation:
60/3=20
hope this helps :)