exam Maths Puzzle Numerical Ability

State which method should be applied as the first step for factoring the polynomial.

2a^2+9a+10

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exam Other Question

Sally brought three chocolate bars and a pack of gum and paid $1.75. Jake brought two chocolate bars and four packs of gum and paid $2.00 Find the cost of a chocolate bar and the cost of a pack of gum. Mr. Sable invested $5000 in a mortgage that pays 9% interest annually. He bought bonds paying 4.5% interest annually. His total annual income is 6% of his total investment. How much did he invest in the bonds.