2a - 9 equals 6a plus 15 answer as fast as you can

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 are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?