book Maths Puzzle Numerical Ability

Use the appropriate property of equality to solve each equation
7r/12 = -14


1/3 s + 7/9 = 4/3 s

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book Other Question

-2(5u+v)-v 4) The distance d, in feet, a bomb falls in t seconds is given by d=16t^2/1+.06t

How many seconds are required for a bomb released at 21,000 feet to reach its target? (If ne