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2 votes
Look at the attached images to answer the question!

Look at the attached images to answer the question!-example-1
Look at the attached images to answer the question!-example-1
Look at the attached images to answer the question!-example-2
User Taztingo
by
5.4k points

2 Answers

3 votes
A vary directly
Reason:
When number of test increases time also increases

B vary directly
Reason:
When pounds increases cost also increases
User Raphael Ayres
by
5.3k points
3 votes
they vary directly (im just writing this cause my answer wasn’t long enough)
User Vivek Kodira
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5.1k points