Solve using substitution.
8x + 5y = 4
x = 3
What is x and y?

In the diagram, gef and hef are congruent. what is the value of x

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters