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First, we have to know that if 2 lines are perpendicular, the product of their gradients is -1.

Next, we have to express the 2 equations in similar ways by rearranging them and making y the common ...

The British believed they had several roles in India during the 19th century and these roles also changed with time. At the start of the 19th century, India was still under the control of the East India C...

The electrons are packed in singly occupied orbitals in the 3p subshell in phosphorus, however in sulfur, the 4th electron is placed into an orbital that already has an electron. Because electrons are neg...

When approaching this essay question, it is important to relate how the theme of poverty affects the character’s lives in ‘The Grapes of Wrath’ and as a consequence means they are unable to make a suffici...

barium sulfate is insoluble