find the length of diagonal of quadrilateral whose area is 195 square metre and length of the perpendicular to the diagonal from vertex are 9 m and 10.5 m respectively​

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So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho