84 people attended a play. Of the 84 students 1/3 of them where parents. How many parents were in the adduince

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?