I HAVE TO CREATE AND EXPRESSION AND FIGURE OUT WHAT HIS FINAL POSITION WAS ON THE STAIRS(PICTURE) WILL GIVE BRAINLIEST

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

What does the relationship between the mean and median reveal about the shape of the data