exam Maths Puzzle Numerical Ability

Find the vertex angle of an isosceles triangle with base angles of (4x-9) and 3x+2). Show your work.

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exam Other Question

Write an equation for the hyperbola that satisfies each set of conditions.

vertices (9,-3) and (-5,-3), foci at (2(+or-)the square root of 53,-3)
The function that realtes to the Cost($) of an oil well toits depth (x) in feet is as follows:


C(x)= -146,983 = 58.72*x
Find and interpret C(3500)



Thank you.