exam Maths Puzzle Numerical Ability

Hi, May I get some help with this equation?

Evaluate the expression and write the result in the form a + bi.

1/(9 + 2i) - 1/(2 + i)

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exam Other Question

I need some help.

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

Adriana 1. A rental car agency has rental specials on compact cars

a. Toyotas rent for $33 per day and $.18 per mile.
b. Fords rent for $24 per day and $.22 per mile.

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