exam Maths Puzzle Numerical Ability

Enrique puts 12% of his monthly paycheck in an IRA IF he invests $72 in his IRA, how much was his paycheck?

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exam Other Question

I hope this time the problem is more clear. Thanks for your help!

5a^2-20 (a^3+2a^2) (9a^3+6a^2)
_______ / ______ * _______

3a^2-12a (2a^2-8a)
Solve the equations. Be sure to check your problem

SQRT 3x = 1 = 4
SQRT 3x = 3 - 6 = 0
SQRT 2x + 1 + x = 7

Find the distance between each pair.

(-2,3) and(-7,-1)