Pls help

z+6>3 or 2z<-12

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

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?