exam Maths Puzzle Numerical Ability

2 over 5 x= -10

I believe it is -25.Am I correct?

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exam Other Question

Two angles are complimentary. the sum of the measures of the first angle and half the second angle is 69.5 find the measures of the angles

what is the measure of the smaller angle

what is the measure of the other angle How do you solve 25^(x+5)=125^(x+4) I think you are supposed to use the change of base formula? I keep getting confused when I take the log of both sides. Hope you can help. Thanks