Write an algebraic rule for the total number of tiles, Qr , in terms of the figure
number, n.

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

: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?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33