By definition, the area of the triangle is given by:

Where,
b: base
h: height
Substituting values we have:
Answer:
The area of a triangle whose base is 5cm and whose height is 12cm is:
A = 30 cm ^ 2
If y=7 and x=2 and you change x to equal 5, y would now be 10.
x=5
y=10
Answer: A is your aswer hope thsi helped
Step-by-step explanation:
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The intersection is at (2,-1)