How much water should be added to 3 gallons of pure alcohol in order to obtain a solution that is 15% alcohol?

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315