book Maths Puzzle Numerical Ability

can you please help me write an algebraic expression for the verbal expression, three times the sum of a and b increased by a?

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book Other Question

Factor

8ab3 + 27a4

4x2 - 39x + 27
can someone please help me with the equation. I keep coming up with 2 for an answer

Solve each eqwuation. Identify each eqwuation as a conditional equation, an inconsistent equation or an identity

1/2b - 1/2 - 1/4b

Please Help. Thank you