exam Maths Puzzle Numerical Ability

(a) 2(2x + 1)
(b) 4(3x-5)
(c) (7a +2)3
(d) 3m(2-n)
(e) 4m (3+5n)

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exam Other Question

If the sides of a square picture frame are increased by 5 cm, the area becomes 289 cm^2. Find the length of a side of the original picture frame. Jeremy inherits $20,000 and invests part of the money in bonds with an interest rate of 11%. The remainder of the money is in savings at an 8% rate, what amount has he invested at