Answer
speed : metres per second (a)
perimeter : meters (b)
volume : cubic centimetres (d)
area : square metres (c)
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Answer: B. perpendicular lines because they intersect at a right angle, making them perpendicular.
Answer:
9n
Step-by-step explanation:
i mean 9 x n = 9n. straight forward...
I don't know for sure I'm going to ace grade next year but I know that you you need to put the coefficients with the same variable together and the variable next to the coefficients and multiply or add or divide or subtract them and you get your answer and this is just 7th grade math I'm relying on
