The capacity of a closed cylindrical pot of height 1 m. is 1500 litres. How many square metres of metal sheet would be needed to make it base?
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Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Find the difference (8ab+a+2) - (3ab+6)