Please excuse my dear aunt sally ( parentheses, exponents, multiplication, division, addition, and subtraction )
Answer:
bean
Step-by-step explanation:

The formula for area of triangle is -

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So, the area of first triangle =



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Area of second triangle =



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Area of second triangle - Area of first triangle



Answer:
p = - 2
Step-by-step explanation:
Given
n = 2 + 6m ← substitute m = -
into the expression
n = 2 + 6(-
) = 2 - 3 = - 1
Thus
p =
=
= - 2
The value of a is 90 degrres