HELP: Use a system of linear equations to solve the following riddle:

The difference of two numbers is 12.

Number x is 3 more than 4 times number y.

Number x is greater than the number y.

What are the two numbers?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30