exam Maths Puzzle Numerical Ability

Factor the following into the product of two binomials. Then, confirm your answer is correct by multiplying the two binomials:

25y2 + 20y + 4

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exam Other Question

simplify (a^-2 b^4
over
(a^4b^-8)^3 assuming the denominator is not equal to zero.

Not in book. I did not know how to draw the line between them.
I am unsure how to translate this question into an equation. I can figure out the likely answr but I need to show my work. Can you help me?

Use inductive reasoning to determine the next three numbers in the pattern: 2x
Thx Karen