Answer:
Ex1: If $1000 is invested now with simple interest of 8% per year. Find the new amount after two years. P = $1000, t = 2 years, r = 0.08.
Step-by-step explanation:
hope this helps
Answer:

Step-by-step explanation:

To find the perpendicular equation of a line,
You need the product of their gradients to be -1

Divide both sides by 
? = 2
The gradient of the perpendicular line is 2
Straight line formula is in the form 

We're nearly there, we just need to find out c.
Luckily, we're given a point 



We then end up with...

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