W = width
3w + 7 = length
Equation: 3w + 7 + w = 75
Combine like terms: 4w + 7 = 75
Subtract 7 to the other side: 4w = 68
Divide both sides by 4: w = 17
Width = 17
Length = 3(17) + 7, so 58
Answer:
20 - 10 = 10 - 1.99 = 8.00
Step-by-step explanation:
sorry if it's wrong brainliest plzzzzzzzzzzzzzzzzzzzzz
In this question , Darko have to find the distance between A(3,-4) and B (-1,3) .
He uses the correct formula, which is

And on substituting the values , we will get

And in this line, Darko did the mistake .