Shade the 2s column and the 5s column in the multiplication table
above. find the column that has products equal to the sum of the
shaded numbers in each row. describe the pattern between the
first two shaded columns and the third column.

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?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?