Im giving free p0ints. thanks for helping everyone

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?