True because just plug in (1,3) for x and y and solve it out.
Plugging it in gives you 2(1)-3(3)=-7 which simplifies to 2-9=-7, which is true.
Answer:
Step-by-step explanation:
Work out the Mean,
Then for every number, subtract the Mean and square the result.
Then work out the mean of those squared differences
and then take the square root of that.
Answer:
The second band
Step-by-step explanation:
50+20=70
20+25=45
Answer:
R = 
Step-by-step explanation:
IR = V ( isolate R by dividing both sides by I )
R = 
Answer:
5.7 Round it and you will get that