The discriminant of a quadratic equation is 36. Which is a description of the roots of the equation?
no real roots
one rational root
two rational roots
) D two irrational roots

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

: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?

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.