book Maths Puzzle Numerical Ability

Solve for the equation 5/2t= -3/5 I get 2=t is this true?

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book Other Question

What is the sum of series
111^2,112^2,113^3,....118^2,119^2
Hello

I need assistance in solving this

Wrtie as the sum or difference of single logarithms of x, y, and z

log(lowercase)8{(3x 3sqrt y) / z^5}

Note: the 3 is inside the