Answer: y + 1 = 2 (x -1)
Step-by-step explanation:
Point slope form is:
y - y1 = m (x - x1)
Point on the line is (1, -1) and slope is 2
m = 2
y1 = -1
x1 = 1
y - (-1) = 2 (x - 1) or y + 1 = 2 (x -1)
The answer is c I just got this question on an work sheet it’s c
Answer:

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Step-by-step explanation:
We will convert the values into decimals for simplicity.





Arranging from least to greatest:

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Answer:
Carol has only 20p and 10p coins in her purse.
She has three times as many 20p coins as 10p coins. If Carol has £4.20 altogether, how many 20p coins does she have?