The height of a tree was 22 ft at the beginning of the year. At the end of the year, the tree is 24.5 ft tall. What is the percent increase? Enter your answer, rounded to the nearest percent, in the box.

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?

What expression is equivalent to 42x-56y

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.