HELP FASTTT RNNN PLS

30 pieces of ribbon

Step-by-step explanation:

because if you already have 48cm and 60cm and your planning to make it to a square and u need the right measure mints it's going to be 30 or 40 ribbon

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25