how many liter of 30%alcohol solution sholud added to 40 liters o6 60% alcohol solution to prepare 50% solution​

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Identify the parent function that can be used to graph the function f(x)=3(x-9)2