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​

How many grams must be adde to 970g to make 1 and a half kg

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.