Answer:

Step-by-step explanation:
To calculate an area of a rectangle, use the formula A=l*w. We know the width is 7m greater than the length. So w = 7 + x. So the area is A= (7+x)*x.
We also know the area is 170. Substitute this value for A and solve.
Answer:
2x times 10 im guessing
Step-by-step explanation:
Between the median and the number before it and everything in front of it is the lower quartile
Answer:
The answer is 2/3
Step-by-step explanation:
20 divided with 10
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30 divideded with 10