Mia invests £3200.when her investment matures she receives £3328. What was the actual increase?

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?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?