Q 1 :Given that x : Y : z = 35 : 50 : 75. Simplify x : y : z.  Q 1:Given that 3c/7 = 4d/9 ,find the ratio of c : d. 

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What is the size of the matrix resulting from

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)