Misty bought 3 cds. the country music cd cost $12. the rock music cd cost 2/3 as much as the country music cd. the platinum edition cd cost twice as much as the rock cd. what was the cost of the 3 cds? what is the hidden question and what is the solution?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

One integer is 8 times another. if the product is 72, then find the integers