exam Maths Puzzle Numerical Ability

a over a+2 + 5 over a

all over

a over 2a+4 + 1 over 3a

the answer is 6a^2+30a+60 over 3a^2+2a +4

can't seem to get this answer please help

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exam Other Question

please help me solve the following equation.
0 0 -1
3 x 0 = x^2
2 0 3
Can someone help me solve this problem?

Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed?

Thanks,
Sher