Which expressions have an estimated value that is close to 9? Check all that apply. One-ninth times 9
Two-sevenths times 6.5
Three-fifths times 14.8
Three-fourths times 12.47
Four-fifths times 19.31

Alarge rectangle is divided into four smaller rectangles.

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?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?