exam Maths Puzzle Numerical Ability

Instructions: Perform the indicated operations.

What is the solution for (2a-3y)(2a+3y)

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exam Other Question

Hi. Can I have some help finishing this expression?

Find all solutions of the equation and express them in the form a + bi.

x^2 + 7x + 12 = 0 The question is: Find the missing angle measure, when the radius is 6 and the arc length is 3pi/2