exam Maths Puzzle Numerical Ability

-4(2x-3) = -8x + 5

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exam Other Question

Complete this sequence patterned from Pascal’s triangle: 1, 4, ___, 4, 1.

a. 3 b. 6 c. 7 d. 8

And
Which best describes the pair of numbers 2, 3?

a. twin prim
Simplify:
(-6a)(4b)