Answer:
Step-by-step explanation:
First system: no solution, since the two lines are parallel; they never cross.
Second system: one solution
Third system: infinitely many solutions, since the second equation is a multiple of the first
Answer:
your answer would be D. x = 2.5 + y
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

<em>See attachment for circle</em>
Required
Find 
From the attachment, we can see that:
is at the circumference
is in at the center
From cyclic theorems,
The relationship between ABC and ADC is:

Make ABC the subject

Substitute: 


Answer:
i cant see your pic
Step-by-step explanation: