5/4, 1.3 and 132% should be correct!
I hope this helps you could also use this too!
I use this to make sure im correct!
http://calculator.tutorvista.com/math/509/least-to-greatest-calculator.html
Set the equtions equal to eachother and solve to get x= -.5
4x-6=10x-3
simplify the x values and get
-6=6x-3
then simplify the whole numbers
-3=6x
divide by 6
-.5=x
Area of triangle = (1/2)*(side1)(side2)*sin(angle between these sides)
A=(1/2)*12*8 sin(65⁰) ≈ 43.5 cm²