exam Maths Puzzle Numerical Ability

Solve the system of equations by graphing. Then classify the system as consistent or inconsistent; and the equations as dependent or independent.

3x-y=23
3x+4y=13

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exam Other Question

I have to do the following problem and have no clue where to start. lease Help!!! Evaluate the following expression if x = 1.07, y= -4.12 and z = -3.76. Round your answer to the nearest tenth.
z2(2is an exponent)/ xy Hi Can I have some help with finding this function?

Find a function whose graph is the bottom half of the circle x^2 + y^2 = 25.

f(x) =