book Maths Puzzle Numerical Ability

let us find all of the values of z for which zexponet5=-32 and locate these values on the complex plane

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Hello,

I need help with a few problems i cant seem to work out for homework.

1:Solve for x: 9^x=3
2:Solve for x: 2^9x^-4=32
3:Solve for x: log10^7=log10x-log10^2


Thanks
make a sketch using the given information. Then, state all of the pairs of congruent angles.

angle 1 and angle 2 are a linear pair. angle 2 and angle 3 are a linear pair. angle