1/10 assuming there is are 10 typos in total
Answer:
x = 6
Step-by-step explanation:
In similar triangles, corresponding sides are in same ratio

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:

Step-by-step explanation:
Given



Required
Find y

So, the expression becomes

Collect like terms


Collect like terms


Make y the subject


I don’t understand very much your question can you take it again so I could help